<script language=javascript>
function onlyNum()
{if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)))
event.returnValue=false;}
</script>
<input onkeydown="onlyNum();">
详细解决方案
JS统制只能输入数字
热度：87 发布时间：2012-11-25 11:44:31.0
<script language=javascript>
function onlyNum()
{if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)))
event.returnValue=false;}
</script>
<input onkeydown="onlyNum();">
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