Open external, or specified, links in new tab/window.

newWindowAnchor.js

/**
 * Securely open a new window from given anchor element.
 *
 * @param  {NodeElement}  anchor
 *
 * @method  newWindowAnchor
 *
 * jshint esversion: 6
 */
function newWindowAnchor(anchor)
{
    "use strict";

    anchor.setAttribute("rel", "noopener noreferrer");
    anchor.addEventListener("click", event => {
        event.preventDefault();

        let targetUrl = anchor.getAttribute("href");
        let newWindow = window.open(targetUrl, "_blank");

        /**
         * Sever the reference of the new tab/window from the parent.
         *
         * @see  https://developer.mozilla.org/en-US/docs/Web/API/Window/opener
         */
        newWindow.opener = null;
    });
}

/* <> */