layui 单选框回显（整理）

<div class="layui-form-item timo-finally">
    <label class="layui-form-label required">是否：</label>
    <div class="layui-input-block">
        <input name="whetherCooperation" value="1" type="radio" title="是">是
        <input name="whetherCooperation" value="2" type="radio" title="否">否
    </div>
</div>

 var  whetherCooperation=2；//后台传的数据
 var radio = document.getElementsByName("whetherCooperation");
 var radioLength = radio.length;
 for (var i = 0; i < radioLength; i++) {
     if (whetherCooperation == radio[i].value) {
         $(radio[i]).click();
     }
 }