Selection.extend()
Experimental: This is an experimental technology
Check 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.
-
offsetOptional -
The offset position within
nodewhere the focus will be moved to. If not specified, the default value0is used.
Specifications
| Specification |
|---|
| Selection API # dom-selection-extend |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
extend |
1 |
12 |
1 |
No |
≤12.1 |
3.1 |
1 |
18 |
4 |
≤12.1 |
2 |
1.0 |
offset_parameter_optional |
Yes |
≤79 |
55 |
No |
Yes |
Yes |
No |
Yes |
55 |
Yes |
Yes |
Yes |
See also
-
Selection, the interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/Selection/extend