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
Example
var range = document.createRange();
referenceNode = document.getElementsByTagName("div").item(0);
range.selectNode(referenceNode);
range.collapse(true);
Specifications
Specification | Status | Comment |
---|---|---|
DOM The definition of 'Range.collapse()' in that specification. |
Living Standard | The parameter is now optional and default to false . |
Document Object Model (DOM) Level 2 Traversal and Range Specification The definition of 'Range.collapse()' in that specification. |
Obsolete | Initial specification. |
Browser compatibility
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