题解 | #分隔符#
分隔符
https://www.nowcoder.com/practice/e5696992841841a8ab9d026324e4bb77
{"html":"<!DOCTYPE html>\n<html>\n\n<head>\n <meta charset=\"UTF-8\">\n <style>\n /* 填写样式 */\n </style>\n</head>\n\n<body>\n <!-- 填写标签 -->\n <script type=\"text/javascript\">\n // 填写JavaScript\n \n\nfunction _comma(number) {\n // 补全代码\n let s = number.toString()\n let h = s.slice(0, 1) === '-' ? '-' : ''\n s = h === '-' ? s.slice(1) : s\n const l = 3 - s.length % 3\n if(l !== 3){\n s = '0'.repeat(l)+s\n }\n let arr = []\n for(let i = 0; i < s.length / 3; i++){\n arr.push(s.slice(3*i, 3*i+3))\n }\n let r = arr.join(',')\n if(l !== 3){\n r = r.slice(l)\n }\n \n console.log( `${h}${r}`)\n return `${h}${r}`\n }\n </script>\n</body>\n\n</html>","css":"","js":""}
