题解 | #数组扁平化#
数组扁平化
https://www.nowcoder.com/practice/5d7e0cf4634344c98e6ae4eaa2336bed
{"html":"<!DOCTYPE html>\n<html lang=\"en\">\n <head>\n <meta charset=\"UTF-8\">\n </head>\n <body>\n \n <script>\n const _flatten = arr => {\n // 补全代码\n let list = []\n for(let item of arr){\n if(Array.isArray(item)){\n list.push(..._flatten(item))\n continue\n }\n list.push(item)\n }\n return list\n }\n </script>\n </body>\n</html>","css":"","js":""}
查看5道真题和解析