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Range: setStartBefore() method

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

js

setStartBefore(referenceNode)

Parameters

referenceNode

The Node before which the Range should start.

Return value

None (undefined).

Examples

js

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

range.setStartBefore(referenceNode);

Specifications

Specification
DOM Standard
# 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 4.4 18 4 10.1 1 1.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Range/setStartBefore