blob: 9a1f73bf2ac432928907c8eee3e54760fe70cbe8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
Element.prototype.closest = Element.prototype.closest ||
function closest(selector, selectedElement = this) {
if (!selectedElement) return null;
return selectedElement.matches(selector) ?
selectedElement :
Element.prototype.closest(selector, selectedElement.parentElement);
};
Element.prototype.matches = Element.prototype.matches ||
Element.prototype.matchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector ||
Element.prototype.oMatchesSelector ||
Element.prototype.webkitMatchesSelector ||
function matches(selector) {
const elms = (this.document || this.ownerDocument).querySelectorAll(selector);
let i = elms.length - 1;
while (i >= 0 && elms.item(i) !== this) { i -= 1; }
return i > -1;
};
|
