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onblur event

Fires when the object loses the input focus.

HTML 4.01 Specification, Section 18.2.3


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

Event information


Event handler parameters

pEvtObj [in]

Type: IHTMLEventObj

Standards information


The HTMLAnchorEvents::onblur event fires on the original object before the HTMLAnchorEvents::onfocus or HTMLAnchorEvents::onclick event fires on the object that is receiving focus. Where applicable, the HTMLAnchorEvents::onblur event fires after the HTMLSelectElementEvents::onchange event.

Use the focus events to determine when to prepare an object to receive or validate input from the user.

As of Microsoft Internet Explorer 5, you must set the IHTMLElement2::tabIndex attribute of elements that expose the HTMLAnchorEvents::onblur event.

For Internet Explorer 5 and later, the HTMLAnchorEvents::onblur event is asynchronous.

Switches focus away from the object on which the event is fired.

To invoke this event, do one of the following:

  • Click the mouse on the document background or another control.
  • Use the keyboard to navigate from one object to the next.
  • Invoke the IHTMLElement2::blur method when an object has focus.
  • Switch focus to a different application or open a second window.

The pEvtObj parameter is required for the following interfaces:

See also




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