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    Range.collapse()

    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.

    SyntaxEdit

    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 .

    ExampleEdit

    var range = document.createRange();

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

    SpecificationsEdit

    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.    		 Recommendation Initial specification.

    Browser compatibilityEdit

    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[1] 15.0 (Yes)

    [1] Optional but defaults to true.

    See alsoEdit

    Document Tags and Contributors

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