HTML DOM activeElementProperty

Document 对象参考手册Document Object

Examples

The element that currently has focus:

var x = document.activeElement.tagName;

xThe output result is:

BUTTON

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Definition and Usage

The activeElement property returns the element that currently has focus in the document.

Note:This property is read-only.

Tip:To set focus on an element, you can use theelement.focus()method.

Tip:You can use thedocument.hasFocus()method to check whether the current element has focus.


Browser Support

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

Property
activeElement 2.0 4.0 3.0 4.0 9.6

Syntax

document.activeElement

Technical Details

Return Value: The element that currently has focus

Document 对象参考手册Document Object

Other Extensions