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online | ononline event

Raised when Windows Internet Explorer is working online.

This event is not supported for Windows Store apps built for Windows using JavaScript.

Syntax

HTML Attribute	<element ononline = "handler(event)">
Event Property	object.ononline = handler;
attachEvent Method	object.attachEvent("ononline", handler)
addEventListener Method	object.addEventListener("online", handler, useCapture)

Event information

Synchronous	No
Bubbles	No
Cancelable	No

Event handler parameters

pEvtObj [in]: Type: IHTMLEventObj

Standards information

There are no standards that apply here.

Remarks

If Asynchronous JavaScript and XML (AJAX) Connection Services are disabled, this event is not raised. (These services are enabled by default.)

To invoke this event, do one of the following:

Clear the check next to "Work Offline" on the File menu.

Examples

The following example sets an event handler that responds to both ononline and onoffline events using the type property of the event object.


function reportConnectionEvent(e)
{
    if (!e) e = window.event;
    
    if ('online' == e.type) {
        alert( 'The browser is ONLINE.' );
    }
    else if ('offline' == e.type) {
        alert( 'The browser is OFFLINE.' );
    }
    else {
        alert( 'Unexpected event: ' + e.type );
    }
}
window.onload = function() {
    document.body.ononline = reportConnectionEvent;
    document.body.onoffline = reportConnectionEvent;
}

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