Function nextTick

3p/3p.js:105–112

(win, fn)

 * @param {function()} fn
 */
export function nextTick(win, fn) {
  const P = win.Promise;
  if (P) {
    P.resolve()./*OK*/ then(fn);
  } else {
    win.setTimeout(fn, 0);
  }
}

/**
 * Run the function after all currently waiting sync scripts have been