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js输入金额自动格式化
1 2 3 4 5 6 7 8 9 10 11 12 13 | <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> |
调用方法
1 | <input onchange="this.value=cc(this.value)"> |
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js输入金额自动格式化
