Function timeout

external/.d3.js:4142–4150

(callback, delay, time)

}

function timeout(callback, delay, time) {
  var t = new Timer;
  delay = delay == null ? 0 : +delay;
  t.restart(elapsed => {
    t.stop();
    callback(elapsed + delay);
  }, delay, time);
  return t;
}

function interval(callback, delay, time) {
  var t = new Timer, total = delay;