题解 | #分隔符#
分隔符
https://pre.nowcoder.com/practice/e5696992841841a8ab9d026324e4bb77
<html> <head> <meta charset=utf-8> </head> <body> <script type="text/javascript"> function _comma(number) { let str = number.toString(); return str.replace(/(\d)(?=(?:\d{3})+$)/g, '$1,'); } </script> </body> </html>