Open all external links in a new window

jquery.external-links-new-window.js

/** 
 * Open all external links in a new window
 */
require(["jquery"], function($) {
	var isInternalLink = new RegExp('/' + window.location.host + '/');
	$(document).on("click", "a", function() {
		var t = $(this);
		if (!isInternalLink.test(t.attr("href"))) {
			t.attr('target', '_blank');
		}
	});
});