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<div class="apiDetail">
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<h2><span>String</span><span class="path">treeNode.</span>icon</h2>
<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
<div class="desc">
<p></p>
<div class="longdesc">
<p>URL path of node's custom icon.</p>
<p class="highlight_red">1. If you only set the 'icon' attribute to parent node, the parent node will only show one icon when it is expanded or collapsed.</p>
<p class="highlight_red">2. If you need to show two icons when it is expanded or collapsed, please set the 'treeNode.iconOpen' and 'treeNode.iconClose' attribute.</p>
<p class="highlight_red">3. If you need to use css to set the custom icon, please set the 'treeNode.iconSkin' attribute.</p>
<p>Default: undefined</p>
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<h3>String Format</h3>
<div class="desc">
<p>Icon image url can be a relative path or absolute path.</p>
<p class="highlight_red">If use a relative path, please note the relationship between icon image and the page, ensure the correct image path.</p>
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<h3>Examples of treeNode</h3>
<h4>1. Set the custom icon</h4>
<pre xmlns=""><code>var nodes = [
//Only show one icon when it is expanded or collapsed.
{ name:"Parent Node 1", icon:"/img/parent.gif"},
//Show two icons when it is expanded or collapsed.
{ name:"Parent Node 2", iconOpen:"/img/open.gif", iconClose:"/img/close.gif"},
//the custom icon for leaf node
{ name:"Leaf Node", icon:"/img/leaf.gif"}
]</code></pre>
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