题解 | #数组去重#
数组去重
https://www.nowcoder.com/practice/7a26729a75ca4e5db49ea059b01305c9
{"html":"<!DOCTYPE html>\r\n<html>\r\n <head>\r\n <meta charset=utf-8>\r\n </head>\r\n <body>\r\n \t\r\n <script type=\"text/javascript\">\r\n const _deleteRepeat = array => {\r\n // 补全代码\r\n const arr = [];\r\n const obj = {};\r\n array.forEach((item, index) => {\r\n if(!obj[item]) {\r\n arr.push(item)\r\n obj[item] = 1;\r\n }\r\n })\r\n\r\n return arr;\r\n }\r\n </script>\r\n </body>\r\n</html>","css":"/* html, body {\\n\\twidth: 100%;\\n\\theight: 100%;\\n\\tmargin: 0;\\n\\tpadding: 0;\\n} */","js":"// 请在这里输入代码"}
