## Properties

Name | Type | Default
--- | --- | ---
animationType | String | 'slide'
Sets the type of the animation. Possible Values:
    'fade'
    'slide'
    'none'

#### Code example

Set the `animationType` property

    $('#jqxComboBox').jqxComboBox({animationType: 'none'});

Get the `animationType` property.

    var animationType = $('#jqxComboBox').jqxComboBox('animationType');

Try it: animationType is set to 'fade'
autoComplete | Boolean | false
Sets or gets the whether the 'autoComplete' feature is enabled or disabled. When this feature is enabled, the jqxComboBox displays in the popup listbox, only the items that match the searched text.

#### Code example

Set the `autoComplete` property.

    $("#jqxComboBox").jqxComboBox({autoComplete: true });

Get the `autoComplete` property.

    var autoComplete = $('#jqxComboBox').jqxComboBox('autoComplete');

Try it: autoComplete is set to true
autoOpen | Boolean | false
Sets or gets whether the DropDown is automatically opened when the mouse cursor is moved over the widget.

#### Code example

Set the `autoOpen` property.

    $("#jqxComboBox").jqxComboBox({ autoOpen: true });

Get the `autoOpen` property.

    var autoOpen = $('#jqxComboBox').jqxComboBox('autoOpen');

Try it: autoOpen is set to true
autoItemsHeight | Boolean | false
Sets or gets whether items will wrap when they reach the width of the dropDown.

#### Code example

Set the `autoItemsHeight` property.

    $("#jqxComboBox").jqxComboBox({autoItemsHeight: true});

Get the `autoItemsHeight` property.

    var autoItemsHeight = $('#jqxComboBox').jqxComboBox('autoItemsHeight');

Try it: autoItemsHeight is set to true
autoDropDownHeight | Boolean | false
Sets or gets whether the height of the jqxComboBox's ListBox displayed in the widget's DropDown is calculated as a sum of the items heights.

#### Code example

Set the `autoDropDownHeight` property.

    $("#jqxComboBox").jqxComboBox({autoDropDownHeight: true});

Get the `autoDropDownHeight` property.

    var autoDropDownHeight = $('#jqxComboBox').jqxComboBox('autoDropDownHeight');

Try it: autoDropDownHeight is set to true
closeDelay | Number | 400
Sets the delay of the 'close' animation.

#### Code example

Set the `closeDelay` property

    $('#jqxComboBox').jqxComboBox({closeDelay: 200});

Get the `closeDelay` property.

    var closeDelay = $('#jqxComboBox').jqxComboBox('closeDelay');

Try it: closeDelay is set to 2000
checkboxes | Boolean | false
Determines whether checkboxes will be displayed next to the list items. (The feature requires jqxcheckbox.js)

#### Code example

Set the `checkboxes` property.

    $("#jqxComboBox").jqxComboBox({checkboxes:true});

Get the `checkboxes` property.

    var checkboxes = $('#jqxComboBox').jqxComboBox('checkboxes');

Try it: checkboxes is set to true
disabled | Boolean | false
Enables/disables the jqxComboBox.

#### Code example

Set the `disabled` property.

    $("#jqxComboBox").jqxComboBox({ disabled: true });

Get the `disabled` property.

    var disabled = $('#jqxComboBox').jqxComboBox('disabled');

Try it: disabled is set to true
displayMember | String | ""
Sets or gets the displayMember of the Items. The displayMember specifies the name of an object property to display. The name is contained in the collection specified by the 'source' property.

#### Code example

Set the `displayMember` property.

    $("#jqxComboBox").jqxComboBox({displayMember: 'firstName'});

Get the `displayMember` property.

    var displayMember = $('#jqxComboBox').jqxComboBox('displayMember');

Try it: displayMember is set to "text"
dropDownHorizontalAlignment | String | 'left'
Sets or gets the DropDown's alignment. Possible Values:
    'left'
    'right'

#### Code example

    $('#jqxComboBox').jqxComboBox({ dropDownHorizontalAlignment: 'right'});

Get the `dropDownHorizontalAlignment` property.

    var dropDownHorizontalAlignment = $('#jqxComboBox').jqxComboBox('dropDownHorizontalAlignment');

Try it: dropDownHorizontalAlignment is set to "right"
dropDownVerticalAlignment | String | 'bottom'
Sets or gets the DropDown's alignment. Possible Values:
    'top'
    'bottom'

#### Code example

    $('#jqxComboBox').jqxComboBox({ dropDownVerticalAlignment: 'top'});

Get the `dropDownVerticalAlignment` property.

    var dropDownVerticalAlignment = $('#jqxComboBox').jqxComboBox('dropDownVerticalAlignment');

Try it: dropDownVerticalAlignment is set to "top"
dropDownHeight | Number | 200
Sets or gets the height of the jqxComboBox's ListBox displayed in the widget's DropDown.

#### Code example

Set the `dropDownHeight` property.

    $("#jqxComboBox").jqxComboBox({dropDownHeight: 250});

Get the `dropDownHeight` property.

    var dropDownHeight = $('#jqxComboBox').jqxComboBox('dropDownHeight');

Try it: dropDownHeight is set to "300px"
dropDownWidth | Number | 200
Sets or gets the width of the jqxComboBox's ListBox displayed in the widget's DropDown.

#### Code example

Set the `dropDownWidth` property.

    $("#jqxComboBox").jqxComboBox({dropDownWidth: 250});

Get the `dropDownWidth` property.

    var dropDownWidth = $('#jqxComboBox').jqxComboBox('dropDownWidth');

Try it: dropDownWidth is set to "300px"
enableHover | Boolean | true
Enables/disables the hover state.

#### Code example

Set the `enableHover` property.

    $("#jqxComboBox").jqxComboBox({enableHover: false});

Get the `enableHover` property.

    var enableHover = $('#jqxComboBox').jqxComboBox('enableHover');

Try it: enableHover is set to false
enableSelection | Boolean | true
Enables/disables the selection.

#### Code example

Set the `enableSelection` property.

    $("#jqxComboBox").jqxComboBox({enableSelection:false});

Get the `enableSelection` property.

    var enableSelection = $('#jqxComboBox').jqxComboBox('enableSelection');

Try it: enableSelection is set to false
enableBrowserBoundsDetection | Boolean | false
Sets or gets whether the dropdown detects the browser window's bounds and automatically adjusts the dropdown's position.

#### Code example

Set the `enableBrowserBoundsDetection` property.

    $("#jqxComboBox").jqxComboBox({enableBrowserBoundsDetection: false});

Get the `enableBrowserBoundsDetection` property.

    var enableBrowserBoundsDetection = $('#jqxComboBox').jqxComboBox('enableBrowserBoundsDetection');

Try it: enableBrowserBoundsDetection is set to true
height | Number/String | null
Sets or gets the jqxComboBox height.

#### Code example

Set the `height` property.

    $("#jqxComboBox").jqxComboBox({ height: '250px' });

Get the `height` property.

    var height = $('#jqxComboBox').jqxComboBox('height');

Try it: height is set to '25px'
itemHeight | Number | -1
Sets or gets the height of the jqxComboBox Items. When the itemHeight == - 1, each item's height is equal to its desired height.

#### Code example

Set with the `itemHeight` property.

    $("#jqxComboBox").jqxComboBox({itemHeight: 25});

Get the `itemHeight` property.

    var itemHeight = $('#jqxComboBox').jqxComboBox('itemHeight');

Try it: itemHeight is set to 25
multiSelect | Boolean | false
Determines whether the jqxComboBox is in multi-select mode.

#### Code example

Set the `multiSelect` property.

    $("#jqxComboBox").jqxComboBox({multiSelect: true });

Get the `multiSelect` property.

    var multiSelect = $('#jqxComboBox').jqxComboBox('multiSelect');

Try it: multiSelect is set to true
minLength | Number | 2
Determines the minimum number of characters that need to be entered by the user for search in remote data source when remoteAutoComplete property is set to true.

#### Code example

Set the `minLength` property.

    $("#jqxComboBox").jqxComboBox({minLength: 3 });

Get the `minLength` property.

    var minLength = $('#jqxComboBox').jqxComboBox('minLength');

Try it: minLength is set to 2
openDelay | Number | 350
Sets or gets the delay of the 'open' animation.

#### Code example

Set the `openDelay` property

    $('#jqxComboBox').jqxComboBox({openDelay: 200});

Get the `openDelay` property.

    var openDelay = $('#jqxComboBox').jqxComboBox('openDelay');

Try it: openDelay is set to 2000
popupZIndex | Number | 20000
Sets or gets the popup's z-index.

#### Code example

Set the `popupZIndex` property.

    $("#jqxComboBox").jqxComboBox({popupZIndex: 999999});

Get the `popupZIndex` property.

    var zIndex = $('#jqxComboBox').jqxComboBox('popupZIndex');

Try it: popupZIndex is set to 999
placeHolder | String | ""
Sets or gets the input field's place holder.

#### Code example

Set the `placeHolder` property.

    $("#jqxComboBox").jqxComboBox({placeHolder: "Enter text" });

Get the `placeHolder` property.

    var placeHolder = $('#jqxComboBox').jqxComboBox('placeHolder');

Try it: placeHolder is set to "Enter text"
remoteAutoComplete | Boolean | false
Determines whether the items displayed in the popup come from a remote data source. When this property is set to true, the jqxComboBox calls the 'search' callback function when the user types into the input field.

#### Code example

Set the `remoteAutoComplete` property.

    $("#jqxComboBox").jqxComboBox({remoteAutoComplete: true });

Get the `remoteAutoComplete` property.

    var remoteAutoComplete = $('#jqxComboBox').jqxComboBox('remoteAutoComplete');

Try it: remoteAutoComplete is set to true
remoteAutoCompleteDelay | Number | 300
Determines the delay between two keystrokes. The search callback function is called on timeout. The value is specified in milliseconds.

#### Code example

Set the `remoteAutoCompleteDelay` property.

    $("#jqxComboBox").jqxComboBox({remoteAutoCompleteDelay: 500 });

Get the `remoteAutoCompleteDelay` property.

    var remoteAutoCompleteDelay = $('#jqxComboBox').jqxComboBox('remoteAutoCompleteDelay');

Try it: remoteAutoCompleteDelay is set to 300
renderer | function | null
Callback function which is called when an item is rendered. By using the renderer function, you can customize the look of the list items.

#### Code example

Set the `renderer` property

         $('#jqxComboBox').jqxComboBox({renderer: function (index, label, value) {
        var datarecord = data[index];
        return datarecord.firstname + " " + datarecord.lastname;
        }
        });

Get the `renderer` property.

    var renderer = $('#jqxComboBox').jqxComboBox('renderer');

Try it: renderer is set to a custom rendering function
renderSelectedItem | function | null
Callback function which is called when the selected item is rendered. By using the renderSelectedItem function, you can customize the displayed text in the ComboBox's input field.

#### Code example

Set the `renderSelectedItem` property

         renderSelectedItem: function(index, item)
    {
        var item = dataAdapter.records[index];
        if (item != null) {
            var label = item.name + ", " + item.countryName + ", " + item.adminName1;
            return label;
        }
        return "";
    }

Get the `renderSelectedItem` property.

    var renderSelectedItem = $('#jqxComboBox').jqxComboBox('renderSelectedItem');

Try it: renderSelectedItem is set to a custom rendering function
rtl | Boolean | false
Sets or gets a value indicating whether widget's elements are aligned to support locales using right-to-left fonts.

#### Code example

Set the `rtl` property.

    $('#jqxComboBox').jqxComboBox({rtl : true});

Get the `rtl` property.

    var rtl = $('#jqxComboBox').jqxComboBox('rtl');

Try it: rtl is set to true
selectedIndex | Number | -1
Sets or gets the selected index.

#### Code example

Set the `selectedIndex` property.

    $("#jqxComboBox").jqxComboBox({selectedIndex: 2 });

Get the `selectedIndex` property.

    var selectedIndex = $('#jqxComboBox').jqxComboBox('selectedIndex');

Try it: selectedIndex is set to 2
showArrow | Boolean | true
Determines whether the jqxComboBox shows its dropdown button.

#### Code example

Set the `showArrow` property.

    $("#jqxComboBox").jqxComboBox({showArrow: false });

Get the `showArrow` property.

    var showArrow = $('#jqxComboBox').jqxComboBox('showArrow');

Try it: showArrow is set to false
showCloseButtons | Boolean | true
Determines whether the jqxComboBox shows the items close buttons in multi-select mode.

#### Code example

Set the `showCloseButtons` property.

    $("#jqxComboBox").jqxComboBox({showCloseButtons: false });

Get the `showCloseButtons` property.

    var showCloseButtons = $('#jqxComboBox').jqxComboBox('showCloseButtons');

Try it: showCloseButtons is set to false
searchMode | String | startswith
Sets or gets the item search mode. When the user types into the edit field, the jqxComboBox widget tries to find the searched item using the entered text and the selected search mode. Possible Values:
    'none'
    'contains'
    'containsignorecase'
    'equals'
    'equalsignorecase'
    'startswithignorecase'
    'startswith'
    'endswithignorecase'
    'endswith'

#### Code example

Set the `searchMode` property.

    $("#jqxComboBox").jqxComboBox({searchMode: 'contains' });

Get the `searchMode` property.

    var searchMode = $('#jqxComboBox').jqxComboBox('searchMode');

Try it: searchMode is set to 'endswith'
search | function | null
Callback function which is called when the 'remoteAutoComplate' property is set to true and the user types into the ComboBox's input field.

#### Code example

Set the `search` property.

    $("#jqxComboBox").jqxComboBox(
    {
        width: 250,
        height: 25,
        source: dataAdapter,
        remoteAutoComplete: true,
        selectedIndex: 0,
        displayMember: "name",
        valueMember: "countryName",
        renderer: function (index, label, value) {
            var item = dataAdapter.records[index];
            if (item != null) {
                var label = item.name + ", " + item.countryName + ", " + item.adminName1;
                return label;
            }
            return "";
        },
        renderSelectedItem: function(index, item)
        {
            var item = dataAdapter.records[index];
            if (item != null) {
                var label = item.name + ", " + item.countryName + ", " + item.adminName1;
                return label;
            }
            return "";
        },
        search: function (searchString) {
            dataAdapter.dataBind();
        }
    });

Get the `search` property.

    var search = $('#jqxComboBox').jqxComboBox('search');

Try it: search property is set to a custom function
source | Array | null
Sets or gets the items source.

#### Code example

Set a jqxComboBox with the `source` property.

    var data = [

    "Affogato",

    "Americano",

    "Bicerin"

    ];

    $("#jqxComboBox").jqxComboBox({source: data});

Binding using the jqx.dataAdapter(requires jqxdata.js):

    // url of the data.
    var url = "../sampledata/customers.txt";
    var parentsLength = $("#jqxWidget").parents().length;
    if (parentsLength > 3) {
        url = 'demos/sampledata/customers.txt';
    }
    // prepare the data. Set the datatype to 'json', 'xml', 'tsv', 'array', 'local' or 'csv.
    var source =
    {
        datatype: "json",
        datafields: [
            { name: 'CompanyName' },
            { name: 'ContactName' }
        ],
        id: 'id',
        url: url
    };
    // create a new instance of the jqx.dataAdapter.
    var dataAdapter = new $.jqx.dataAdapter(source);
    // Create a jqxListBox
    $("#jqxWidget").jqxComboBox({ source: dataAdapter, displayMember: "ContactName", valueMember: "CompanyName", width: 200, height: 250});

Get the `source` property.

    var source = $('#jqxComboBox').jqxComboBox('source');

Try it: source is set to dataAdapter
scrollBarSize | Number | 17
Sets or gets the scrollbars size.

#### Code example

Set the `scrollBarSize` property.

    $("#jqxComboBox").jqxComboBox({scrollBarSize:25});

Get the `scrollBarSize` property.

    var scrollBarSize = $('#jqxComboBox').jqxComboBox('scrollBarSize');

Try it: scrollBarSize is set to 10
template | String | 'default'
Determines the button's template as an alternative of the default styles. Possible Values:
    'default' - the default template. The style depends only on the "theme" property value.
    'primary' - dark blue style for extra visual weight.
    'success' - green style for successful or positive action.
    'warning' - orange style which indicates caution.
    'danger' - red style which indicates a dangerous or negative action.
    'info' - blue button, not tied to a semantic action or use.

#### Code examples

Set the `template` property.

    $("#jqxComboBox").jqxComboBox({ template: 'primary'});

Get the `template` property.

    var template = $('#jqxComboBox').jqxComboBox('template');

Try it: template is set to 'success'
theme | String | ''
Sets the widget's theme. jQWidgets uses a pair of css files - jqx.base.css and jqx.[theme name].css. The base stylesheet creates the styles related to the widget's layout like margin, padding, border-width, position. The second css file applies the widget's colors and backgrounds. The jqx.base.css should be included before the second CSS file. In order to set a theme, you need to do the following:

- Include the theme's CSS file after jqx.base.css.
  The following code example adds the 'energyblue' theme.

      <link rel="stylesheet" href="../../../../jqwidgets/styles/jqx.base.css" type="text/css" />
      <link rel="stylesheet" href="../../../../jqwidgets/styles/jqx.energyblue.css" type="text/css" />

- Set the widget's theme property to 'energyblue' when you initialize it.

Try it: theme is set to 'energyblue'
validateSelection | Function | null
Determines whether an item can be selected in multi-select mode.

#### Code example

Set the `validateSelection` property.

    $("#jqxComboBox").jqxComboBox({validateSelection: function(itemValue)
                                {
                                    if (itemValue == "Breve")
                                    {
                                       return false;
                                    }
                                    return true;
                                }
                             });

Get the `validateSelection` property.

    var validateSelection = $('#jqxComboBox').jqxComboBox('validateSelection');

Try it: validateSelection is set to a custom function
valueMember | String | ""
Sets or gets the valueMember of the Items. The valueMember specifies the name of an object property to set as a 'value' of the list items. The name is contained in the collection specified by the 'source' property.

#### Code example

Set the `valueMember` property.

    $("#jqxComboBox").jqxComboBox({valueMember: 'lastName'});

Get the `valueMember` property.

    var valueMember = $('#jqxComboBox').jqxComboBox('valueMember');

Try it: valueMember is set to "value"
width | Number/String | null
Sets or gets the jqxComboBox's width.

#### Code example

Set the `width` property.

    $("#jqxComboBox").jqxComboBox({ width: '250px' });

Get the `width` property.

    var width = $('#jqxComboBox').jqxComboBox('width');

Try it: width is set to '200px'

## Events

bindingComplete | Event |
This event is triggered when the data binding operation is completed.

#### Code example

Bind to the `bindingComplete` event by type: jqxComboBox.

    $("#jqxComboBox").on('bindingComplete', function (event) {});

Try it: Bind to the bindingComplete event by type:jqxComboBox
checkChange | Event |
This event is triggered when an item is checked/unchecked.

#### Code example

Bind to the `checkChange` by type: jqxComboBox.

    $("#jqxComboBox").on('checkChange', function (event)
    {
        if (event.args) {
        var item = event.args.item;
        var value = item.value;
        var label = item.label;
        var checked = item.checked;
        var checkedItems = $("#jqxComboBox").jqxComboBox('getCheckedItems');
    }
    });

The item object has the following fields:

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Try it: Bind to the checkChange event by type:jqxComboBox
close | Event |
This event is triggered when the popup ListBox is closed.

#### Code example

Bind to the `close` by type: jqxComboBox.

    $('#jqxComboBox').on('close', function (event) { // Some code here. });

Try it: Bind to the close event by type:jqxComboBox
change | Event |
This event is triggered when the user selects an item.

#### Code example

Bind to the `change` by type: jqxComboBox.

    $('#jqxComboBox').on('change', function (event)
    {
        var args = event.args;
        if (args) {
        // index represents the item's index.
        var index = args.index;
        var item = args.item;
        // get item's label and value.
        var label = item.label;
        var value = item.value;
        var type = args.type; // keyboard, mouse or null depending on how the item was selected.
    }
    });

The item object has the following fields:

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Try it: Bind to the change event by type:jqxComboBox
open | Event |
This event is triggered when the popup ListBox is opened.

#### Code example

Bind to the `open`

    $('#jqxComboBox').on('open', function (event) { // Some code here. });

Try it: Bind to the open event by type:jqxComboBox
select | Event |
This event is triggered when the user selects an item.

#### Code example

Bind to the `select` event by type: jqxComboBox.

    $('#jqxComboBox').on('select', function (event)
    {
        var args = event.args;
        if (args) {
        // index represents the item's index.
        var index = args.index;
        var item = args.item;
        // get item's label and value.
        var label = item.label;
        var value = item.value;
        var type = args.type; // keyboard, mouse or null depending on how the item was selected.
    }
    });

The item object has the following fields:

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Try it: Bind to the select event by type:jqxComboBox
unselect | Event |
This event is triggered when the user unselects an item.

#### Code example

Bind to the `unselect` event by type: jqxComboBox.

    $('#jqxComboBox').on('unselect', function (event)
    {
        var args = event.args;
        if (args) {
        // index represents the item's index.
        var index = args.index;
        var item = args.item;
        // get item's label and value.
        var label = item.label;
        var value = item.value;
    }
    });

The item object has the following fields:

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Try it: Bind to the unselect event by type:jqxComboBox

## Methods

addItem | Method |
Adds a new item to the jqxComboBox. Returns 'true', if the new item is added or 'false' if the item is not added. The following fields can be used for the new item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `addItem` method.

    // @param String

    $("#jqxComboBox").jqxComboBox('addItem', 'jQuery' );

#### Code example 2

Invoke the `addItem` method.

    // @param Object

    $("#jqxComboBox").jqxComboBox('addItem', { label: 'Text' value: 'Id'} );

Try it: adds an item in the jqxComboBox
clear | Method |
Clears all items.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `clear` method.

    $("#jqxComboBox").jqxComboBox('clear');

Try it: clears all the items in the jqxComboBox
clearSelection | Method |
Clears all selected items.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `clearSelection` method.

    $("#jqxComboBox").jqxComboBox('clearSelection');

Try it: clears the selection in the jqxComboBox
clear | Method |
Clears all items.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `clear` method.

    $("#jqxComboBox").jqxComboBox('clear');

Try it: clears all items in the jqxComboBox
close | Method |
Hides the popup listbox.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `close` method.

    $("#jqxComboBox").jqxComboBox("close" );

Try it: closes jqxComboBox
checkIndex | Method |
Checks a list item when the 'checkboxes' property value is true. The index is zero-based, i.e to check the first item, the 'checkIndex' method should be called with parameter 0.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `checkIndex` method. The example code below, checks the first list item.

    $("#jqxComboBox").jqxComboBox('checkIndex', 0);

Try it: checks a box in the jqxComboBox
checkItem | Method |
Checks an item.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the c`checkItem`eckItem method.

    // @param list Item

    $("#jqxComboBox").jqxComboBox('checkItem', item );

*To get an item, use the getItem or getItemByValue methods.
Try it: checks an item in the jqxComboBox
checkAll | Method |
Checks all list items when the 'checkboxes' property value is true.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `checkAll` method.

    $("#jqxComboBox").jqxComboBox('checkAll');

Try it: checks all of the items in the jqxComboBox
destroy | Method |
Destroys the widget.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code examples

Invoke the `destroy` method.

    $('#jqxComboBox').jqxComboBox('destroy');

Try it: destroys the jqxComboBox
disableItem | Method |
Disables an item. Item is an Object. The following fields can be used for the item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `disableItem` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('disableItem', "jQuery" );

Try it: disables an items in the jqxComboBox
disableAt | Method |
Disables an item by index. Index is a number.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `disableAt` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('disableAt', 8 );

Try it: disables an items in the jqxComboBox
enableItem | Method |
Enables an item. Item is an Object. The following fields can be used for the item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `enableItem` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('enableItem', "jQuery" );

Try it: enables an items in the jqxComboBox
enableAt | Method |
Enables a disabled item by index. Index is a number.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `enableAt` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('enableAt', 3 );

Try it: enables an items in the jqxComboBox
ensureVisible | Method |
Ensures that an item is visible. index is number. When necessary, the jqxComboBox scrolls to the item to make it visible.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `ensureVisible` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('ensureVisible', 2 );

Try it: ensures the visibility of an items in the jqxComboBox
focus | Method |
Sets the focus to the widget.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `focus` method.

    $("#jqxComboBox").jqxComboBox('focus');

Try it: focuses the jqxComboBox
getItem | Method |
Gets item by index. The returned value is an Object with the following fields: Item Fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
Object

#### Code example

Invoke the `getItem` method.

    // @param Number

    var item = $("#jqxComboBox").jqxComboBox('getItem', 1 );

Try it: gets the an items by its index in the jqxComboBox
getItemByValue | Method |
Gets an item by its value. The returned value is an Object with the following fields:

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
value | String |

Return Value
Object

#### Code example

Invoke the `getItemByValue` method.

    // @param Value

    var item = $("#jqxComboBox").jqxComboBox('getItemByValue', "Bon app'");

Try it: gets the an items by its value in the jqxComboBox
getVisibleItems | Method |
Gets all items displayed in the ComboBox. The method could be useful for getting the currently visible items after auto complete. The returned value is an array of Items. Each item represents an Object with the following fields. Item Fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Array

#### Code example

Invoke the `getVisibleItems` method.

    var items = $("#jqxComboBox").jqxComboBox('getVisibleItems');

Get the first item.

    var items = $("#jqxComboBox").jqxComboBox('getVisibleItems'); var firstItem = items[0];

Try it: returns an Array of the visible items and displays the first 2 of them
getItems | Method |
Gets all items. The returned value is an array of Items. Each item represents an Object with the following fields. Item Fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Array

#### Code example

Invoke the `getItems` method.

    var items = $("#jqxComboBox").jqxComboBox('getItems');

Get the first item.

    var items = $("#jqxComboBox").jqxComboBox('getItems'); var firstItem = items[0];

Try it: returns an Array of all items and displays the first 2 of them
getCheckedItems | Method |
Gets the checked items. The returned value is an array of Items. Each item represents an Object with the following fields. Item Fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Array

#### Code example

Invoke the `getCheckedItems` method.

    var items = $("#jqxComboBox").jqxComboBox('getCheckedItems');

Try it: returns an Array of all checked items and displays them
getSelectedItem | Method |
Gets the selected item. The returned value is an Object or null(if there is no selected item). Item Fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Object

#### Code example

Invoke the `getSelectedItem` method.

    // @param Number

    var item = $("#jqxComboBox").jqxComboBox('getSelectedItem');

Try it: returns the selected item and displays it
getSelectedItems | Method |
Gets the selected items when "multiselect" is turned on. The returned value is an Array with Objects. Each object has the following fields

- label - gets item's label.
- value - gets the item's value.
- disabled - gets whether the item is enabled/disabled.
- checked - gets whether the item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - gets the item's display html. This can be used instead of label.
- index - gets the item's index.
- group - gets the item's group.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Array

#### Code example

Invoke the `getSelectedItems` method.

    var items = $("#jqxComboBox").jqxComboBox('getSelectedItems');

Try it: returns the selected items
getSelectedIndex | Method |
Gets the index of the selected item. The returned value is the index of the selected item. If there's no selected item, -1 is returned.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Number

#### Code example

Invoke the `getSelectedIndex` method.

    // @param Number

    var index = $("#jqxComboBox").jqxComboBox('getSelectedIndex');

Try it: returns the selected item's index and displays it
insertAt | Method |
Inserts a new item to the jqxComboBox. Returns 'true', if the new item is inserted or false if the insertaion fails. The first parameter is Object or String - the new item. The second parameter is Number - the item's index. The following fields can be used for the new item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |
index | Number |

Return Value
None

#### Code example

Invoke the `insertAt` method.

    // @param String

    // @param Number

    $("#jqxComboBox").jqxComboBox('insertAt', 'jQuery', 1 );

#### Code example 2

Invoke the `insertAt` method.

    // @param Object

    // @param Number

    $("#jqxComboBox").jqxComboBox('insertAt', '{ label: 'Text' value: 'Id'}, 1 );

Try it: inserts an item in the jqxComboBox
isOpened | Method |
Returns true, if the popup is opened. Otherwise returns false.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
Boolean

#### Code example

Invoke the `isOpened` method.

    var opened = $("#jqxComboBox").jqxComboBox('isOpened' );

Try it: check whether the jqxComboBox is opened
indeterminateIndex | Method |
Indeterminates a list item when the 'checkboxes' property value is true. The index is zero-based, i.e to indeterminate the first item, the 'indeterminateIndex' method should be called with parameter 0.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `indeterminateIndex` method. The example code below, indeterminates the first list item.

    $("#jqxComboBox").jqxComboBox('indeterminateIndex', 0);

Try it: indeterminates a box in the jqxComboBox
indeterminateItem | Method |
Indeterminates an item.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `indeterminateItem` method.

    // @param list Item

    $("#jqxComboBox").jqxComboBox('indeterminateItem', item );

*To get an item, use the getItem or getItemByValue methods.
Try it: indeterminate an item in the jqxComboBox
loadFromSelect | Method |
Loads list items from a 'select' tag.

Parameter | Type | Description
--- | --- | ---
selectTagId | String |

Return Value
None

#### Code example

Invoke the `loadFromSelect` method.

    $("#jqxComboBox").jqxComboBox('loadFromSelect', 'select');

'select' is the id of a select tag. Code Example:

       <select style='height: 25px; width: 200px; margin-left: 30px;' id='select'>                    <option>Affogato</option>                    <option>Americano</option>                    <option>Bicerin</option>                    <option>Breve</option>                    <option>Café Bombón</option>                    <option>Caffé Corretto</option>                    <option>Café Crema</option>                    <option>Caffé Latte</option>                    <option>Caffé macchiato</option>                    <option>Café mélange</option>                    <option>Coffee milk</option>                    <option>Cafe mocha</option>                    <option>Cappuccino</option>                    <option>Carajillo</option>                    <option>Cuban espresso</option>                    <option>Espresso</option>                    <option>The Flat White</option>                    <option>Frappuccino</option>                    <option>Galao</option>                    <option>Greek frappé coffee</option>                    <option>Iced Coffee﻿</option>                    <option>Indian filter coffee</option>                    <option>Instant coffee</option>                    <option>Irish coffee</option>                    <option>Liqueur coffee</option>                </select>

Try it: loads list items from a 'select' tag.
open | Method |
Shows the popup listbox.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `open` method.

    $("#jqxComboBox").jqxComboBox('open' );

Try it: opens jqxComboBox
removeItem | Method |
Removes an item from the listbox. Parameter type: Object returned by the "getItem" method or String - the value of an item. Returns 'true', if the item is removed or 'false', if the item is not removed.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `removeItem` method.

    // @param Object

    $("#jqxComboBox").jqxComboBox('removeItem', "List Item" );

Try it: removes an item in the jqxComboBox
removeAt | Method |
Removes an item from the listbox. Parameter type: Number - the index of the item. The method returns 'true', if the item is removed or 'false', if the item is not removed.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `removeAt` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('removeAt', 3 );

Try it: removes an item in the jqxComboBox
selectIndex | Method |
Selects an item by index. The index is zero-based, i.e to select the first item, the 'selectIndex' method should be called with parameter 0.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `selectIndex` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('selectIndex', 0 );

Try it: select an item by its index in the jqxComboBox
selectItem | Method |
Selects an item.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `selectItem` method.

    // @param List Item

    $("#jqxComboBox").jqxComboBox('selectItem', item );

*To get an item, use the getItem or getItemByValue methods.
Try it: select an item in the jqxComboBox
updateItem | Method |
Updates an item. The first parameter is the new item. The second parameter could be an existing item or the value of an existing item. The following fields can be used for the item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |
itemValue | String |

Return Value
None

#### Code example

Invoke the `updateItem` method.

    // @param Object

    // @param Object

    $("#jqxComboBox").jqxComboBox('updateItem', { label: "Text", value: "Id1" }, "Antonio Moreno Taquera");

Try it: updates an item in the jqxComboBox
updateAt | Method |
Updates an item. The first parameter is the new item. The second parameter is the index of the item to be updated. The following fields can be used for the item:

- label - determines the item's label.
- value - determines the item's value.
- disabled - determines whether the item is enabled/disabled.
- checked - determines whether item is checked/unchecked.
- hasThreeStates - determines whether the item's checkbox supports three states.
- html - determines the item's display html. This can be used instead of label.
- group - determines the item's group.

Parameter | Type | Description
--- | --- | ---
item | Object/String |
index | Number |

Return Value
None

#### Code example

Invoke the `updateAt` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('updateAt', { label: "Text", value: "Id1" }, 3 );

Try it: updates an item in the jqxComboBox
unselectIndex | Method |
Unselects item by index. The index is zero-based, i.e to unselect the first item, the 'unselectIndex' method should be called with parameter 0.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `unselectIndex` method.

    // @param Number

    $("#jqxComboBox").jqxComboBox('unselectIndex', 5 );

Try it: unselect an item by its index in the jqxComboBox
unselectItem | Method |
Unselects an item.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `unselectItem` method.

    // @param List Item

    $("#jqxComboBox").jqxComboBox('unselectItem', item );

*To get an item, use the getItem or getItemByValue methods.
Try it: unselect an item in the jqxComboBox
uncheckIndex | Method |
Unchecks a list item when the 'checkboxes' property value is true. The index is zero-based, i.e to uncheck the first item, the 'uncheckIndex' method should be called with parameter 0.

Parameter | Type | Description
--- | --- | ---
index | Number |

Return Value
None

#### Code example

Invoke the `uncheckIndex` method. The example code below, unchecks the first list item.

    $("#jqxComboBox").jqxComboBox('uncheckIndex', 0);

Try it: unchecks a box in the jqxComboBox
uncheckItem | Method |
Unchecks an item.

Parameter | Type | Description
--- | --- | ---
item | Object/String |

Return Value
None

#### Code example

Invoke the `uncheckItem` method.

    // @param list Item

    $("#jqxComboBox").jqxComboBox('uncheckItem', item );

*To get an item, use the getItem or getItemByValue methods.
Try it: unchecks an item in the jqxComboBox
uncheckAll | Method |
Unchecks all list items when the 'checkboxes' property value is true.

Parameter | Type | Description
--- | --- | ---
None |  |

Return Value
None

#### Code example

Invoke the `uncheckAll` method.

    $("#jqxComboBox").jqxComboBox('uncheckAll');

Try it: unchecks all of the items in the jqxComboBox
val | Method |
Sets or gets the selected value.

Parameter | Type | Description
--- | --- | ---
value(optional) | String |

Return Value
String

#### Code example

Invoke the `val` method.

// Get the value.

    var value = $("#jqxComboBox").jqxComboBox('val');

// Get the value using jQuery's val()

    var value = $("#jqxComboBox").val();

// Set value.

    $("#jqxComboBox").jqxComboBox('val', 'New Value');

// Set value using jQuery's val().

    $("#jqxComboBox").val('New Value');

Try it: sets or gets the selected value in the jqxComboBox