在js文件中添加</script>标签

var bodys = document.getElementsByTagName("body")[0];

bodys.innerHTML +=‘ <script type="text/html" id="barDemo">‘+
‘<a class="layui-btn layui-btn-primary layui-btn-xs" lay-event="detail" style="background-color:#009688; color:#ffffff;">‘+
‘<i class="layui-icon layui-icon-search" width="15" height="15"></i>详细信息</a></script>‘;