@adaptabletools/adaptable
Version:
Powerful data-agnostic HTML5 AG Grid extension which provides advanced, cutting-edge functionality to meet all DataGrid requirements
12 lines (11 loc) • 369 B
JavaScript
const DOCUMENT_POSITION_CONTAINED_BY = 16;
export default function contains(container, elem) {
if (container === elem) {
return true;
}
if (container.contains) {
return container.contains(elem);
}
let comparison = container.compareDocumentPosition(elem);
return comparison === 0 || comparison & DOCUMENT_POSITION_CONTAINED_BY;
}