Используйте полифил, взято
отсюда.
function eventPath(evt) {
var path = (evt.composedPath && evt.composedPath()) || evt.path,
target = evt.target;
if (path != null) {
// Safari doesn't include Window, but it should.
return (path.indexOf(window) < 0) ? path.concat(window) : path;
}
if (target === window) {
return [window];
}
function getParents(node, memo) {
memo = memo || [];
var parentNode = node.parentNode;
if (!parentNode) {
return memo;
}
else {
return getParents(parentNode, memo.concat(parentNode));
}
}
return [target].concat(getParents(target), window);
}