How to add a JavaScript if an error occurs when loading an image
A function is triggered if an error occurs when loading the image. The function shows an alert box with a text. In this example we refer to an image that does not exist, therefore the onerror event occurs.
index.html
Example:
HTML
<!DOCTYPE html>
<html>
<body>
<img src="https://horje.com/avatar.png" onerror="myFunction()">
<p>A function is triggered if an error occurs when loading the image. The function shows an alert box with a text. In this example we refer to an image that does not exist, therefore the onerror event occurs.</p>
<script>
function myFunction() {
alert("The image could not be loaded.");
}
</script>
</body>
</html>
Output should be:
| How to add a JavaScript if an error occurs when loading an image | Window Event Attributes |
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| What is HTML onbeforeprint Event Attribute | Window Event Attributes |
| What is HTML onbeforeunload Event Attribute | Window Event Attributes |
| What is HTML onerror Event Attribute | Window Event Attributes |
| What is HTML onhashchange Event Attribute | Window Event Attributes |
| What is HTML onload Event Attribute | Window Event Attributes |
| What is HTML onoffline Event Attribute | Window Event Attributes |
Type: | Html |
Category: | Web Tutorial |
Sub Category: | Window Event Attributes |
Uploaded by: | Admin |