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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Namespace: Collection</title>
<script src="scripts/prettify/prettify.js"> </script>
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</head>
<body>
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<div id="main">
<h1 class="page-title">Namespace: Collection</h1>
<section>
<header>
<h2>
<span class="ancestors"><a href="fabric.html">fabric</a>.</span>
Collection
</h2>
</header>
<article>
<div class="container-overview">
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line186">line 186</a>
</li></ul></dd>
</dl>
</div>
<h3 class="subsection-title">Methods</h3>
<dl>
<dt>
<h4 class="name" id="add">
<span class="type-signature"><static> </span>add<span class="signature">(object)</span><span class="type-signature"> → {Self}</span>
<a href="#add" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Adds objects to collection, then renders canvas (if `renderOnAddRemove` is not `false`)
Objects should be instances of (or inherit from) fabric.Object
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>object</code></td>
<td class="type">
<span class="param-type"><a href="fabric.Object.html">fabric.Object</a></span>
</td>
<td class="attributes">
<repeatable><br>
</td>
<td class="description last">Zero or more fabric instances</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line197">line 197</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
thisArg
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Self</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="complexity">
<span class="type-signature"><static> </span>complexity<span class="signature">()</span><span class="type-signature"> → {Number}</span>
<a href="#complexity" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Returns number representation of a collection complexity
</div>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line326">line 326</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
complexity
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Number</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="contains">
<span class="type-signature"><static> </span>contains<span class="signature">(object)</span><span class="type-signature"> → {Boolean}</span>
<a href="#contains" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Returns true if collection contains an object
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>object</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last">Object to check against</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line318">line 318</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
`true` if collection contains an object
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Boolean</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="forEachObject">
<span class="type-signature"><static> </span>forEachObject<span class="signature">(callback, context)</span><span class="type-signature"> → {Self}</span>
<a href="#forEachObject" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Executes given function for each object in this group
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>callback</code></td>
<td class="type">
<span class="param-type"><a href="Function.html">Function</a></span>
</td>
<td class="description last">Callback invoked with current object as first argument,
index - as second and an array of all objects - as third.
Iteration happens in reverse order (for performance reasons).
Callback is invoked in a context of Global Object (e.g. `window`)
when no `context` argument is given</td>
</tr>
<tr>
<td class="name"><code>context</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last">Context (aka thisObject)</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line264">line 264</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<div class="param-desc">
thisArg
</div>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type">Self</span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="getObjects">
<span class="type-signature"><static> </span>getObjects<span class="signature">(<span class="optional">type</span>)</span><span class="type-signature"> → {<a href="Array.html">Array</a>}</span>
<a href="#getObjects" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Returns an array of children objects of this instance
Type parameter introduced in 1.3.10
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th>Argument</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>type</code></td>
<td class="type">
<span class="param-type">String</span>
</td>
<td class="attributes">
<optional><br>
</td>
<td class="description last">When specified, only objects of this type are returned</td>
</tr>
</tbody>
</table>
<dl class="details">
<dt class="tag-source">Source:</dt>
<dd class="tag-source"><ul class="dummy"><li>
<a href="fabric.js.html">fabric.js</a>, <a href="fabric.js.html#line279">line 279</a>
</li></ul></dd>
</dl>
<h5>Returns:</h5>
<dl>
<dt>
Type
</dt>
<dd>
<span class="param-type"><a href="Array.html">Array</a></span>
</dd>
</dl>
</dd>
<dt>
<h4 class="name" id="insertAt">
<span class="type-signature"><static> </span>insertAt<span class="signature">(object, index, nonSplicing)</span><span class="type-signature"> → {Self}</span>
<a href="#insertAt" class="anchor">§</a>
</h4>
</dt>
<dd>
<div class="description">
Inserts an object into collection at specified index, then renders canvas (if `renderOnAddRemove` is not `false`)
An object should be an instance of (or inherit from) fabric.Object
</div>
<h5>Parameters:</h5>
<table class="params">
<thead>
<tr>
<th>Name</th>
<th>Type</th>
<th class="last">Description</th>
</tr>
</thead>
<tbody>
<tr>
<td class="name"><code>object</code></td>
<td class="type">
<span class="param-type">Object</span>
</td>
<td class="description last">Object to insert</td>
</tr>
<tr>
<td class="name"><code>index</code></td>
<td class="type">
<span class="param-type">Number</span>
</td>
<td class="description last">Index to insert object at</td>
</tr>
<tr>
<td class="name"><code>nonSplicing</code></td>
<td class="type">
<span class="param-type">Boolean</span>
</td>
<td class="description last">When `true`, no splicing (shifting) of objects occurs</td>
</tr>
</tbody>
</table>
<dl class="details">