手写 AJAX

2023-02-01 41 阅读1分钟

var request = new XMLHttpRequest()

request.open('GET','/XXX')

request.onreadystatechange = function(){
 if(request.readySate === 4){
  if(request.status >= 200 && request.status < 300 || request.status === 304){
   success(request)
  }else{
   fail(request)
  }
 }
}

request.send('{"name":"ppp"}')