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HTML ononline Event Attribute

❮ HTML Event Attributes


Execute a JavaScript when the browser starts to work online:

<body ononline="myFunction()">
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Definition and Usage

The ononline attribute fires when the browser starts to work online.

Tip: The ononline attribute is the opposite of the onoffline attribute.

Browser Support

The numbers in the table specify the first browser version that fully supports the event attribute.

Event Attribute
ononline Not supported Deprecated in IE11
3.0 Not supported Not supported


<element ononline="script">

Attribute Values

Value Description
script The script to be run on ononline

Technical Details

Supported HTML tags: <body>

Related Pages

HTML DOM reference: ononline event

❮ HTML Event Attributes