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JavaScript AJAX Basics (retiring) Programming AJAX Create a callback

Posted by MUZ140063 Glen T. Moyo
MUZ140063 Glen T. Moyo
5,257 Points

On line 2 of the app.js file, add an onreadystatechange event handler. Add an anonymous function, but don't put any code

On line 2 of the app.js file, add an onreadystatechange event handler. Add an anonymous function, but don't put any code inside it

app.js 
var xhr = new XMLHttpRequest();
xhr.onreadystatechange=function () {
xhr.open('GET', 'sidebar.html');
xhr.send();
index.html 
<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>AJAX with JavaScript</title>
  <script src="app.js"></script>
</head>
<body>
  <div id="main">
    <h1>AJAX!</h1>
  </div>
  <div id="sidebar"></div>
</body>
</html>

2 Answers

Alex Heil
Alex Heil
53,547 Points
Alex Heil
Alex Heil
53,547 Points

hey, you're pretty close with your current code but you're missing the closing curly bracket, at the end the line should look like this:

xhr.onreadystatechange = function () {}

hope that helps and have a nice day ;)

MUZ140063 Glen T. Moyo
MUZ140063 Glen T. Moyo
5,257 Points
MUZ140063 Glen T. Moyo
MUZ140063 Glen T. Moyo
5,257 Points

thank you alex