checkgoodssize.js

来自「J2EE指南」· JavaScript 代码 · 共 8 行

<script language="javascript">
function checkSize(obj)
{
	var GoodsSize=trim(obj.value);
	if(isNaN(GoodsSize)){alert("请输入数字!");obj.focus();}
	obj.value=GoodsSize;
}
</script>