<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title></head><body><script>/** * 格式化money,(123456=>123,456.00) * num:string or number */formatMoney = (num) => {var end = parseFloat((num/100).toFixed(2)).toLocaleString();if(end.indexOf(‘.‘)==-1){ ?end+=‘.00‘; ????} ???return end;}console.log(formatMoney(1234898.232))/** * 格式化银行卡 或者订单号（四位一隔开） * bank(String) */formatBank = (bank) => { ?????return bank.replace(/[\s]/g, ‘string‘).replace(/(\d{4})(?=\d)/g, "$1 ");}console.log(formatBank(‘1232398989898‘)); </script></body></html>
js 银行卡四位一隔，钱三位用逗号隔开并强制保留两位小数
原文地址：https://www.cnblogs.com/pnz-bug/p/8398724.html