Core JavaScript

AJAX Get an Image

This JavaScript program shows how to fetch an image via an AJAX call.

XoaxAjaxGetImage.html

<!DOCTYPE html>
<html>
  <head>
    <title>XoaX.net's Javascript AJAX Example</title>
    <style>
      body {
        background: lightgray;
      }
    </style>
    <script language="javascript" type="text/javascript" src="XoaxAjaxGetImage.js"></script>
  </head>
  <body>
    <img id="idLogo"/>
  </body>
</html>

XoaxAjaxGetImage.js

var qHttpRequest = new XMLHttpRequest();
qHttpRequest.open( "GET", "XoaXLogoNew.png", true );
qHttpRequest.responseType = "arraybuffer";

qHttpRequest.onload = function( e ) {
    var uiaBytes = new Uint8Array( this.response );
    var qBlob = new Blob([uiaBytes], {type:"image/png"});
    var qImageUrl = URL.createObjectURL(qBlob);
    var qImageElement = document.querySelector("#idLogo");
    qImageElement.src = qImageUrl;
};

qHttpRequest.send();
 

Output

 
 

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