设置 取消input的disabled属性 getattribute(),setAttribute(),removeattribute()用法

<script language="javascript" type="text/javascript">

function
enabledisable()

{

if(input.getAttribute('disabled'))

{

input.removeAttribute('disabled');

document.getElementById('enadisinp').value='disable';

}

else

{

input.setAttribute('disabled','disabled');

document.getElementById('enadisinp').value='enable';

}

}

</script>

<input disabled="disabled" id="inp" />

<br />

<input id="enadisinp" type="button" value="enable"
onClick="enabledisable()" />

<script language="javascript">

var
input=document.getElementById('inp');

</script>