@ckeditor/ckeditor5-utils
Version:
Miscellaneous utilities used by CKEditor 5.
22 lines (21 loc) • 587 B
JavaScript
/**
* @license Copyright (c) 2003-2025, CKSource Holding sp. z o.o. All rights reserved.
* For licensing, see LICENSE.md or https://ckeditor.com/legal/ckeditor-licensing-options
*/
/**
* @module utils/dom/indexof
*/
/**
* Returns index of the node in the parent element.
*
* @param node Node which index is tested.
* @returns Index of the node in the parent element. Returns 0 if node has no parent.
*/
export default function indexOf(node) {
let index = 0;
while (node.previousSibling) {
node = node.previousSibling;
index++;
}
return index;
}