gojs
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Interactive diagrams, charts, and graphs, such as trees, flowcharts, orgcharts, UML, BPMN, or business diagrams
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<!--<b>GoJS</b>® Diagramming Components<br/>version <br/>version 2.1.18 for TypeScript/HTML<br/>by <a href="https://www.nwoods.com/">Northwoods Software®</a>-->
<b>GoJS</b>® Diagramming Components<br/>version 2.1.18<br/>by <a href="https://www.nwoods.com/">Northwoods Software®</a>
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<h1>Interface Iterable<T></h1>
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<section class="tsd-panel tsd-hierarchy">
<h3>Hierarchy</h3>
<ul class="tsd-hierarchy">
<li>
<span class="target">Iterable</span>
<ul class="tsd-hierarchy">
<li>
<a href="Iterator.html" class="tsd-signature-type">Iterator</a>
</li>
</ul>
</li>
</ul>
</section>
<section class="tsd-panel tsd-comment">
<div class="tsd-comment tsd-typography">
<p>This interface is implemented by the <a href="List.html">List</a>, <a href="Set.html">Set</a>, and <a href="Map.html">Map</a>
classes; it provides the <a href="Iterable.html#iterator">iterator</a> read-only property that returns an <a href="Iterator.html">Iterator</a>.</p>
<p>Typical usage is:</p>
<pre><code class="hljs js"><span class="hljs-keyword">var</span> it = anIterableCollection.iterator;
<span class="hljs-keyword">while</span> (it.next()) {
<span class="hljs-keyword">var</span> item = it.value;
}</code></pre>
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</section>
<section class="tsd-panel tsd-type-parameters">
<h3>Type parameters</h3>
<ul class="tsd-type-parameters">
<li>
<h4>T</h4>
</li>
</ul>
</section>
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<h3>Implemented by</h3>
<ul class="tsd-hierarchy">
<li><a href="List.html" class="tsd-signature-type">List</a></li>
<li><a href="Set.html" class="tsd-signature-type">Set</a></li>
</ul>
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<h2>Index</h2>
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<h3>Properties</h3>
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<li class="tsd-kind-property tsd-parent-kind-interface"><a href="Iterable.html#count" class="tsd-kind-icon">count</a></li>
<li class="tsd-kind-property tsd-parent-kind-interface"><a href="Iterable.html#iterator" class="tsd-kind-icon">iterator</a></li>
</ul>
</section>
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<h3>Methods</h3>
<ul class="tsd-index-list">
<li class="tsd-kind-method tsd-parent-kind-interface"><a href="Iterable.html#first" class="tsd-kind-icon">first</a></li>
</ul>
</section>
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</section>
</section>
<section class="tsd-panel-group tsd-member-group ">
<h2>Properties</h2>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
<a name="count" class="tsd-anchor"></a>
<h3>
count
<span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">number</span> </h3>
<div class="tsd-comment tsd-typography">
<p>This read-only property is the number of elements in the collection.</p>
</div>
</section>
<section class="tsd-panel tsd-member tsd-kind-property tsd-parent-kind-interface">
<a name="iterator" class="tsd-anchor"></a>
<h3>
iterator
<span class="tsd-signature-symbol">: </span><a href="Iterator.html" class="tsd-signature-type">Iterator</a><span class="tsd-signature-symbol"><</span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol">></span> </h3>
<div class="tsd-comment tsd-typography">
<p>Gets an <a href="Iterator.html">Iterator</a> that can iterate over the items in the collection.</p>
<p>Typical usage is:</p>
<pre><code class="hljs js"> <span class="hljs-keyword">var</span> it = anIterableCollection.iterator;
<span class="hljs-keyword">while</span> (it.next()) {
<span class="hljs-keyword">var</span> item = it.value;
}</code></pre>
</div>
</section>
</section>
<section class="tsd-panel-group tsd-member-group ">
<h2>Methods</h2>
<section class="tsd-panel tsd-member tsd-kind-method tsd-parent-kind-interface">
<a name="first" class="tsd-anchor"></a>
<h3>
first
</h3>
<ul class="tsd-signatures tsd-kind-method tsd-parent-kind-interface">
<li class="tsd-signature tsd-kind-icon">first<span class="tsd-signature-symbol">(</span><span class="tsd-signature-symbol">)</span><span class="tsd-signature-symbol">: </span><span class="tsd-signature-type">T</span><span class="tsd-signature-symbol"> | </span><span class="tsd-signature-type">null</span></li>
</ul>
<ul class="tsd-descriptions">
<li class="tsd-description">
<div class="tsd-comment tsd-typography">
<p>Returns the first item in the list, or null if there is none.</p>
</div>
<h4 class="tsd-returns-title">Returns
<span class="tsd-signature-type">T</span>
<span class="tsd-signature-symbol"> | </span>
<span class="tsd-signature-type">null</span>
</h4>
<p>This returns null if there are no items in the list.</p>
</li>
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<a href="Iterable.html" class="tsd-kind-icon">Iterable</a>
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<a href="Iterable.html#count" class="tsd-kind-icon">count</a>
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<a href="Iterable.html#iterator" class="tsd-kind-icon">iterator</a>
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