ProfessinalJavaScriptDemos/Ch21/ImagePingExample01.htm at master · wangminli/ProfessinalJavaScriptDemos · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>Image Ping Example</title>
</head>
<body>
    <script>
        var img = new Image();
        img.onload = img.onerror = function(){
            alert("Done!");
        };
        img.src = "http://www.example.com/test?name=Nicholas";

    </script>
</body>
</html>