Range.collapse

« DOM Reference « Range

The Range.collapse() method collapses the Range to one of its boundary points.

A collapsed Range is empty, containing no content, specifying a single-point in a DOM tree. To determine if a Range is already collapsed, see the Range.collapsed property.

Syntax

range.collapse(toStart);

Parameters

toStart Optional
A boolean value: true collapses the Range to its start, false to its end. If omitted, it defaults to false .

Example

var range = document.createRange();

referenceNode = document.getElementsByTagName("div").item(0);
range.selectNode(referenceNode);
range.collapse(true);

Specifications

Specification Status Comment
DOM Living Standard The parameter is now optional and default to false.
Document Object Model (DOM) Level 2 Traversal and Range Specification Recommendation Initial specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 1.0 (1.7 or earlier) 9.0 9.0 (Yes)
Parameter optional (Yes) 25 (25) Not supported Optional but default to true. 15.0 (Yes)
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) 1.0 (1.0) 9.0 9.0 (Yes)
Parameter optional (Yes) 25 (25) Not supported Optional but default to true. 15.0 (Yes)

See also

Document Tags and Contributors

Contributors to this page: Sheppy, shubham.hatwar, ethertank, SkyLined, Gor1, teoli
Last updated by: shubham.hatwar,