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<!DOCTYPE html>
<html>
<head>
	<title>Requête AJAX</title>
	<meta charset="UTF-8" />
	<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1">
	<link rel="stylesheet" type="text/css" href="css/reset.css">
	<link rel="stylesheet" type="text/css" href="css/style.css">
	<link href='http://fonts.googleapis.com/css?family=Source+Sans+Pro:200,400,700' rel='stylesheet' type='text/css'>
	<style type="text/css">
		*{font-size: 16px; font-family: 'Source Sans Pro', sans-serif;}
		body{padding: 20px;}
		p{margin-bottom: -10px}
		input{margin-bottom: 20px;}
	</style>
<head>
<body>
	<p>Vitesse de connexion:</p> <br />
	<input type="text" id="speed" size="30" /> <br />
	<input type="button" value="Launch Speed Test" id="speedTest"  />
 
	<!-- SCRIPT -->
	<script src="http://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
	<script>window.jQuery || document.write('<script src="js/jquery-2.1.1.min.js"><\/script>')</script>
	<script type="text/javascript">
		var image = "image.jpg"; 
		// Image located on my website http://jeremierindone.be
		var size = 148176;  // Image size
		var timeBefore = 0; // Time at the begining
		var timeAfter = 0;  // Time after calcul
 
 
		$("#speedTest").click(function startSpeedTest() {
		    timeBefore = new Date();
		    timeBefore = timeBefore.getTime();
 
		    var img = new Image();
		    img.src = image+"?"+timeBefore;
		    img.onload=endSpeedTest; // Launch function endSpeedTest
		});
 
		function endSpeedTest() {
		    var timeAfter = new Date();
		    timeAfter = timeAfter.getTime();
		    var ms = timeAfter-timeBefore; // Calculs difference betweet two times
		    var speed = Math.round(size/ms*100)/100; // Divides the size by the time 
		    document.getElementById("speed").value=speed+"ko/s"; // Show result to the user
		}
 
		$("#speedTest").click(function(){
		    $.ajax({
		       url : "image.jpg", //The link to the image
		       type : "GET",      // Ajax Request type get, not post
		       dataType : "png",  // Here we want to process png file
 
		       success : function(code_html, statut){ // If request succeeded
		       console.log("succeeded");
		       },
		       error : function(resultat, statut, erreur){
		       console.log("Failed");
		       },
		       complete : function(resultat, statut){
		        console.log("Complete")
		       }
		    });
		});
	</script>
	<!-- SCRIPT END -->
</body> 
</html> | 
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