javascript REST httpRequest&Fetch

Posted 2021-05-03

// using traditional http request
var xhr = new XMLHttpRequest();
xhr.open('Get', '/url/', true);
xhr.onload = function(e){
   if (xhr.readyState == 4 && xhr.status == 200) {
    // do something 
   }else{
    // handle error
    console.error(xhr.statusText);
   }
  
}
xhr.onerror= function(e){
  console.error(xhr.statusText)
}

xhr.send(null)