http://ilovelate.itpub.net/post/7368/40893
如果我们需要用javascript控制/设置表单的readonly属性,如果使用 document.myform.mytext.readony=true/false 是没有任何作用的,如果控制的话,可以将mytext加一个ID然后用ID控制readonly 属性,代码如下
<html>
<script>
function ee()
{
document.getElementById("MyID").readOnly=true;//-->正确
// document.myform.ff.readonly=false; ---->错误
}
</script>
<body>
<form>
<input>
<input>
</form>
</body>
</html>
設定 readonly
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