tba-gx-guochan/public/static/plugins/zTree_v3/api/en/treeNode.isAjaxing.html

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        <h2><span>Boolean</span><span class="path">treeNode.</span>isAjaxing</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>Judge whether the node's child nodes being loaded asynchronously.</p>
                <p class="highlight_red">Do not initialize or modify it, it is created by the zTree.</p>
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        <h3>Boolean Format</h3>
        <div class="desc">
            <p> true means: the node's child nodes is being loaded asynchronously</p>
            <p> false means: the node's child nodes is not being loaded asynchronously</p>
        </div>
        <h3>Examples of treeNode</h3>
        <h4>1. Judge whether the first selected node's child nodes being loaded asynchronously</h4>
        <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
	var isAjaxing = sNodes[0].isAjaxing;
}
</code></pre>
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