The Range.collapsed read-only property returns a Boolean flag indicating whether the start and end points of the Range are at the same position. It returns true if the start and end boundary points of the Range are the same point in the DOM, false if not.

A collapsed Range is empty, containing no content, specifying a single-point in a DOM tree. The collapsed property is read-only. To collapse a range, see the Range.collapse() method.

Syntax

isCollapsed = range.collapsed;

Example

var range = document.createRange(); 

range.setStart(startNode,startOffset); 
range.setEnd(endNode,endOffset);
isCollapsed = range.collapsed;

Specifications

Specification Status Comment
DOM
The definition of 'Range.collapsed' in that specification.
Living Standard No change.
Document Object Model (DOM) Level 2 Traversal and Range Specification
The definition of 'Range.collapsed' in that specification.
Obsolete Initial specification.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidEdge MobileFirefox for AndroidOpera for AndroidiOS SafariSamsung Internet
Basic supportChrome Full support YesEdge Full support YesFirefox Full support 4IE Full support 9Opera Full support 9Safari Full support YesWebView Android Full support YesChrome Android Full support YesEdge Mobile Full support YesFirefox Android Full support 4Opera Android Full support YesSafari iOS Full support YesSamsung Internet Android ?

Legend

Full support  
Full support
Compatibility unknown  
Compatibility unknown

See also

Document Tags and Contributors

Contributors to this page: fscholz, abbycar, teoli, jsx, kscarfone, Sheppy, ethertank, DR, Mgjbot, Maian, Jonnyq
Last updated by: fscholz,