<!DOCTYPE html> <html> <head> <meta charset=utf-8> </head> <body> <script type="text/javascript"> let data = [ {name: 'nowcoder1'}, {name: 'nowcoder2'} ] const _api = string => { // get var Arr = string.split("?") if(Arr[0] == "get") { return data } // name=xxx&to=yyy if(Arr[0] == "update"){ // name=xxx to=yyy var arg = Arr[1].split("&") // [name, xxx] var name = arg[0].split("=") // [to, yyy] var to = arg[1].split("=") for(item of data){ if(item.name === name[1]) item.name = to[1] } } return data } </script> </body> </html>