Web/API/Selection/extend

This is an experimental technologyCheck the Browser compatibility table carefully before using this in production.

The Selection.extend() method moves the focus of the selection to a specified point. The anchor of the selection does not move. The selection will be from the anchor to the new focus, regardless of direction.

Syntax

sel.extend(node, offset)

Parameters

node: The node within which the focus will be moved.
offset Optional: The offset position within node where the focus will be moved to. If not specified, the default value 0 is used.

Specifications

Specification	Status	Comment
Selection APIThe definition of 'Selection.extend()' in that specification.	Working Draft	Current

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`extend` Experimental'	Chrome Full support Yes	Edge Full support 12	Firefox Full support Yes	IE No support No	Opera Full support Yes	Safari Full support Yes	WebView Android No support No	Chrome Android Full support Yes	Firefox Android Full support Yes	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes
`offset` parameter is optional Experimental'	Chrome Full support Yes	Edge Full support ≤79	Firefox Full support 55	IE No support No	Opera Full support Yes	Safari Full support Yes	WebView Android No support No	Chrome Android Full support Yes	Firefox Android Full support 55	Opera Android Full support Yes	Safari iOS Full support Yes	Samsung Internet Android Full support Yes

Legend

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.': Experimental. Expect behavior to change in the future.