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

See also