ononlineEvent

事件对象参考手册Event Object

Examples

Execute JavaScript when the browser starts working online:

<body ononline="myFunction()">

Try it Yourself »


Definition and Usage

The ononline event is triggered when the browser starts working online.

Tip:The opposite event of ononline is theonofflineevent.

Tip:You can also use thenavigator.onLineproperty to check whether the browser is in online or offline mode.


Browser Support

The numbers in the table indicate the first browser version that supports this event.

Event
ononline Not supported Deprecated in IE11
8.0
3.0 Not supported Not supported


Syntax

In HTML:

<element ononline="myScript">Try it

In JavaScript:

object.ononline=function(){myScript};Try it

In JavaScript, using the addEventListener() method:

object.addEventListener("online", myScript);Try it

Note:Internet Explorer 8 and earlier IE versions do not supportaddEventListener()method.


Technical Details
Does it support bubbling: No
Can it be cancelled: No
Event type: Event
Supported HTML tags: <body>


事件对象参考手册Event Object Other extensions