itdoxy-lab/web_src/js/polyfills.js

18 lines
441 B
JavaScript

// compat: IE11
if (!Element.prototype.matches) {
Element.prototype.matches = Element.prototype.msMatchesSelector || Element.prototype.webkitMatchesSelector;
}
// compat: IE11
if (!Element.prototype.closest) {
Element.prototype.closest = function (s) {
let el = this;
do {
if (el.matches(s)) return el;
el = el.parentElement || el.parentNode;
} while (el !== null && el.nodeType === 1);
return null;
};
}