@ztree/ztree_v3/api/en/fn.zTree._z.html

zTree is a multi-functional 'tree plug-ins.' based on jQuery. The main advantages of zTree includes excellent performance, flexible configuration, and the combination of multiple functions.

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    <h2><span>JSON</span><span class="path">$.fn.zTree.</span>_z</h2>
    <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
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                <p>All of the internal methods in zTree v3.x are available through '$. fn.zTree._z', 
                    use this if you want to develop your own zTree plug-ins.</p>
                <p class="highlight_red">Unless you are writing a plugin, 
                    you should not use this object.</p>
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