jQuery动态为Layui的option加title

动态为Layui的下拉框添加提示:
直接贴代码吧…
html

 <div class="layui-form lable-seach-box" lay-filter="set-up-font">
     <select class="pie-drop-down drop-down" lay-verify="allowanceType">
         <option value="24">小二option>
         <option value="22">三号option>
         <option value="21">小三option>
         <option value="19">四号option>
         <option value="17">小四option>
         <option value="16">五号option>
         <option value="14">小五option>
     select>
div>

js

    // 动态为字体设置下拉框加title
    this.$div.find(".drop-down").siblings("div.layui-form-select").find('dl dd').each(function () {
        let titleValue = $(this).attr('lay-value');

        $(this).attr('title', titleValue);
        $(this).attr('title', titleValue);
        $(this).attr('title', titleValue);
        $(this).attr('title', titleValue);
    });