JS 数字转化为货币格式
1 <script> 2 function cc(s){ 3 if(/[^0-9\.]/.test(s)) return "invalid value"; 4 s=s.replace(/^(\d*)$/,"$1."); 5 s=(s+"00").replace(/(\d*\.\d\d)\d*/,"$1"); 6 s=s.replace(".",","); 7 var re=/(\d)(\d{3},)/; 8 while(re.test(s)) 9 s=s.replace(re,"$1,$2"); 10 s=s.replace(/,(\d\d)$/,".$1"); 11 return "￥" + s.replace(/^\./,"0.") 12 } 13 </script> 14 <input onchange="this.value=cc(this.value)">
