有时候我们需要格式数字为带货币符的格式
代码如下
<script>
function cc(s){
if(/[^0-9\.]/.test(s)) return "invalid value";
s=s.replace(/^(\d*)$/,"$1.");
s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1");
s=s.replace(".",",");
var re=/(\d)(\d{3},)/;
while(re.test(s))
s=s.replace(re,"$1,$2");
s=s.replace(/,(\d\d)$/,".$1");
return "¥" + s.replace(/^\./,"0.")
}
</script>
<input onchange="this.value=cc(this.value)">
输入框内输入数字
(责任编辑:ken)