Range.setStartBefore()

The Range.setStartBefore() method sets the start position of a Range relative to another Node. The parent Node of the start of the Range will be the same as that for the referenceNode.

Syntax

range.setStartBefore(referenceNode);

Parameters

referenceNode

The Node before which the Range should start.

Example

var range = document.createRange();
var referenceNode = document.getElementsByTagName("div").item(0);

range.setStartBefore(referenceNode);

Specifications

Specification
DOM Standard (DOM)
# dom-range-setstartbefore

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
setStartBefore
1
12
1
9
9
1
1
18
4
10.1
1
1.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/Range/setStartBefore