HTML onoffline Attribute

❮ HTML Attributes

Example

<body ononline="onFunction()" onoffline="offFunction()">
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Meaning

The onoffline attribute fires when the user agent goes offline.

Found only on the <body> element.



Standard Syntax

<element onoffline="script">


Browser Support



Status



Applies to:

The onoffline attribute can be used on the following element:

Element Attribute
<body> onoffline




Attribute Values

Value Description
script Specifies the script to be run on onoffline.
❮ HTML Attributes