KJDS/new/admin/lib/zTree/v3/api/en/fn.zTree._z.html

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    <h2><span>JSON</span><span class="path">$.fn.zTree.</span>_z</h2>
    <h3>Overview<span class="h3_info">[ depends on <span class="highlight_green">jquery.ztree.core</span> js ]</span></h3>
    <div class="desc">
        <p></p>
        <div class="longdesc">
                <p>All of the internal methods in zTree v3.x are available through '$. 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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    </div>
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