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.
Selection.extend()
Syntax
extend(node) 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 |
1
|
≤79
|
55
|
No
|
≤15
|
3.1
|
≤37
|
18
|
55
|
≤14
|
2
|
1.0
|
See also
-
Selection, the interface it belongs to.
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https://developer.mozilla.org/en-US/docs/Web/API/Selection/extend
