前端日常工作中常用开发小技巧 —JavaScript

1.格式化金钱值 const ThousandNum = num => num.toString().replace(/B(?=(d{3})+(?!d))/g, ","); const money = ThousandNum(20190214); // money => "20,190,214" 2.取整  代替正数的 Math.floor() ，代替负数的  Math.ceil() const num1 = ~~ 1.69; const n...