WinJS.Utilities.QueryCollection object
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Represents the result of a query selector, and provides various operations that perform actions over the elements of the collection.
Syntax
var querycollection = WinJS.Utilities.query(query, element);
Members
The QueryCollection object has these types of members:
- Constructors
- Methods
Constructors
The QueryCollection object has these constructors.
| Constructor | Description |
|---|---|
| QueryCollection | Initializes a new instance of a QueryCollection |
Methods
The QueryCollection object has these methods.
| Method | Description |
|---|---|
| addClass | Adds the specified class to all the elements in the collection. |
| children | Creates a QueryCollection that contains the children of the specified parent element (static). |
| clearStyle | Clears the specified style property for all the elements in the collection. |
| control | Creates controls that are attached to the elements in this QueryCollection, if the ctor parameter is a function, or configures the controls that are attached to the elements in this QueryCollection, if the ctor parameter is an object. |
| forEach | Performs an action on each item in the QueryCollection. |
| get | Gets an item from the QueryCollection. |
| getAttribute | Gets an attribute value from the first element in the collection. |
| hasClass | Determines whether the specified class exists on the first element of the collection. |
| id | Looks up an element by ID and wraps the result in a QueryCollection. |
| include | Adds a set of items to this QueryCollection. |
| listen | Registers the listener for the specified event on all the elements in the collection. |
| query | Executes a query selector on all the elements in the collection and aggregates the result into a QueryCollection. |
| removeClass | Removes the specified class from all the elements in the collection. |
| removeEventListener | Unregisters the listener for the specified event on all the elements in the collection. |
| setAttribute | Sets an attribute value on all the items in the collection. |
| setStyle | Sets the specified style property for all the elements in the collection. |
| template | Renders a template that is bound to the given data and parented to the elements included in the QueryCollection. If the QueryCollection contains multiple elements, the template is rendered multiple times, once at each element in the QueryCollection per item of data passed. |
| toggleClass | Toggles (adds or removes) the specified class on all the elements in the collection. If the class is present, it is removed; if it is absent, it is added. |
Requirements
Minimum WinJS version |
WinJS 1.0 |
Namespace |
WinJS.Utilities |