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.
sel.extend(node, offset)
node where the focus will be moved to. If not specified, the default value 0 is used.| Specification | Status | Comment |
|---|---|---|
| HTML Editing APIs The definition of 'Selection.extend()' in that specification. | Editor's Draft | Initial definition |
| Selection API The definition of 'Selection.extend()' in that specification. | Working Draft | Current |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | Yes | Yes | No | Yes | Yes |
offset parameter is optional
|
Yes | ? | 55 | No | Yes | Yes |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | No | Yes | Yes | Yes | Yes | Yes | ? |
offset parameter is optional
|
No | Yes | ? | 55 | Yes | Yes | ? |
Selection, the interface it belongs to.
© 2005–2018 Mozilla Developer Network and individual contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Selection/extend