<input type="text" id="HouseName" value="" align="left"/> <script>
//js方式:js对大小写敏感
document.getElementById("HouseName").readOnly = true; //设置只读 //readOnly 大小写敏感
document.getElementById("HouseName").readOnly = false; //取消只读 //jquery方式:
HouseName.attr("readonly","readonly"); //设置为readonly
HouseName.removeAttr("readonly"); //去除元素的readonly属性 </script>