Posted in Javascript onOctober 13, 2010
限制为整数
<html>
<head>
<script language="javascript" type="text/javascript">
var G=document.getElementById;
function checkNumber(){
var reg = /^(?:0|[1-9][0-9]?|100)$/;
var strNumber = G("txtNumber").value;
alert(reg.test(strNumber))
}
</script>
</head>
<body >
<input type="text" value="" id="txtNumber" title="Please enter a number witch between 0 and 100 ..">
<button onclick="checkNumber();">CheckNumber</button>
</body>
</html>
限制为货币
<script language="JavaScript" type="text/javascript">
<!--
function checkMoney(obj){
var tempValue=obj.value.replace(/(^\s+)|(\s+$)/g,'');
if(!tempValue){return;}
if(/^-?\d+(\.\d+)?$/.test(tempValue)){
obj.value=parseFloat(tempValue).toFixed(2);
}else{
alert('请输入合法的货币值！');
obj.select();
return;
}
}
//-->
</script>
onblur="checkMoney(this)"
js限制文本框为整数和货币的函数代码
- Author -
mdxy-dxy声明：登载此文出于传递更多信息之目的，并不意味着赞同其观点或证实其描述。
Reply on: @reply_date@
@reply_contents@