Question

怎样用JS实现点击一个按钮之后,将n个文本框的只读属性去掉? 麻烦详细点 新人啊 在线等你

Answer 1

<input id="aaa" readonly="readonly" type="text" />
<input id="bbb" readonly="readonly" type="text" />
...
<input id="Button1" type="button" onclick="clearRead()" value="button" />
<script type="text/javascript">
function clearRead()
{
document.getElementById("aaa").readOnly = false;
document.getElementById("bbb").readOnly = false;
...
}
</script>

Answer 2

<script>
function onlyR(){
var obj=document.getElementsByTagName("input");
for(var i=0;i<obj.length;i++){
obj[i].readOnly=false;
}
alert("已经可以读写了");
}
</script>
<input type="text" name="txt" value="" readonly/>
<input type="text" name="txt1" value="" readonly/>
<input type="text" name="txt2" value="" readonly/>
<input type="button" name="bt" value="可读写" onclick="onlyR();"/>

Answer 3

用JS取到这些文本框,然后removeAttribute("readonly")吧