<div class="apiDetail">
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<h2><span>Function(key, value, parentNode)</span><span class="path">zTreeObj.</span>getNodeByParam</h2>
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<h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
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<div class="desc">
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<p></p>
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<div class="longdesc">
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<p>According to the node data attribute, search the node which exactly matches, and get the JSON object of node.</p>
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<p class="highlight_red">Please use zTree object to executing the method.</p>
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<h3>Function Parameter Descriptions</h3>
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<div class="desc">
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<h4><b>key</b><span>String</span></h4>
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<p>The name of attribute which need to exactly match</p>
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<h4 class="topLine"><b>value</b><span>?</span></h4>
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<p>The value which need to exactly match, can be any type, please ensure its type consistent with the attribute values.</p>
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<h4 class="topLine"><b>parentNode</b><span>JSON</span></h4>
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<p>The search range, you can search node from a parent node's child nodes.</p>
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<p class="highlight_red">If this parameter is omitted, zTree will search node from all nodes.</p>
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<h4 class="topLine"><b>Return </b><span>JSON</span></h4>
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<p>JSON data object of the node which be searched.</p>
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<p class="highlight_red">1. If search none node, return null.</p>
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<p class="highlight_red">2. If there are many nodes can be searched, return the first node.</p>
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<h3>Examples of function</h3>
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<h4>1. Search the node which its 'id' attribute is 1.</h4>
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<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
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var node = treeObj.getNodeByParam("id", 1, null);
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</code></pre>
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