HTML onerror Event Attribute

This attribute works when an error occurs while loading an external file. The external file may contain document file or image file.

Supported Tags

<input type=”image”>
, <object>
, <link>
, <script>

Syntax:

<element onerror = "script">

Attribute Value: This attribute contains single value script which works when onerror event attribute call. This attribute is supported by <img>, <input type=”image”>, <object>, <link>, and <script> tags.

Example:

html

<!DOCTYPE html>
<html>
 
<head>
    <title>onerror event attribute</title>
    <style>
        body {
            text-align:center;
        }
        h1 {
            color:green;
        }
    </style>
</head>
 
<body>
    <img src="image.gif"
         onerror="myFunction()">
    <h1>GeeksforGeeks</h1>
    <h2>onerror event attribute</h2>
    <script>
        function myFunction() {
            alert("The image could not be loaded.");
        }
    </script>
</body>
 
</html>