$(document).find(".tree-selectd").removeClass('tree-selectd');
$(o.elem).find(".layui-tree-txt").addClass("tree-selectd");
.tree-selectd{ color:#2F9688; font-weight:bold }
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$(document).find(".tree-selectd").removeClass('tree-selectd');
$(o.elem).find(".layui-tree-txt").addClass("tree-selectd");
.tree-selectd{ color:#2F9688; font-weight:bold }
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