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HTML | onerror Event Attribute
  • Difficulty Level : Basic
  • Last Updated : 03 Dec, 2018

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

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:

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code

<!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>                    

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Output:

Supported Browsers: The browser supported by onerror attribute are listed below:

  • Chrome
  • Internet Explorer
  • Firefox
  • Safari
  • Opera

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