diff -r c7c34916027a -r 177826044cd9 wp/wp-includes/js/dist/vendor/wp-polyfill-node-contains.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/wp/wp-includes/js/dist/vendor/wp-polyfill-node-contains.js Mon Oct 14 18:28:13 2019 +0200 @@ -0,0 +1,30 @@ +(function() { + + function contains(node) { + if (!(0 in arguments)) { + throw new TypeError('1 argument is required'); + } + + do { + if (this === node) { + return true; + } + } while (node = node && node.parentNode); + + return false; + } + + // IE + if ('HTMLElement' in this && 'contains' in HTMLElement.prototype) { + try { + delete HTMLElement.prototype.contains; + } catch (e) {} + } + + if ('Node' in this) { + Node.prototype.contains = contains; + } else { + document.contains = Element.prototype.contains = contains; + } + +}());