题解 | #分隔符#
分隔符
https://www.nowcoder.com/practice/e5696992841841a8ab9d026324e4bb77
{"css":"","js":"","html":"<!DOCTYPE html>\n<html>\n <head>\n <meta charset=utf-8>\n </head>\n <body>\n \t\n <script type=\"text/javascript\">\n function _comma(number) {\n // 补全代码\n let a=number+\"\"\n a=a.split('').reverse().join('') \n // .split('').reverse().join('')\n let b=\"\"\n // console.log(a[3]);\n for(let i=0;i<a.length;i++){\n if(i%3==2&&(a[i+1]!=null&&a[i+1]!=\"-\")) {\n b+=a[i]+','\n }else{\n b+=a[i];\n }\n }\n return b.split('').reverse().join('')\n }\n </script>\n </body>\n</html>","libs":[]}
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