<script language=javascript>
function checkNumric()
{
if(!(event.keyCode>=48&&event.keyCode<=57))event.returnValue=false;
}
</script>
<input onkeypress="checkNumric();">
限制只能输入数字
最新推荐文章于 2024-07-01 13:57:09 发布
<script language=javascript>
function checkNumric()
{
if(!(event.keyCode>=48&&event.keyCode<=57))event.returnValue=false;
}
</script>
<input onkeypress="checkNumric();">