Layui文本框失去焦点和AJAX验证msg弹框的使用

$("#name").blur(function(){    var value = this.value;    var node = this;    $.post(‘<%=root%>/user/checkName‘,{name:value},function (data) {        if(data==‘false‘){            layer.msg(‘[‘+value+‘]已经被占用‘,{icon: 5});//!,ok,wrong,question,lock,cry,smile            node.focus();        }    });})