code: function getTiming () {
    let nativeTiming
    let performance = window.performance
    if (performance && performance.timing) {
      nativeTiming = performance.timing.toJSON
        ? performance.timing.toJSON()
        : util.fn.extend({}, performance.timing)
    } else {
      nativeTiming = {}
    }
    return util.fn.extend(nativeTiming, recorder)
  }
docs: Get the timings.
  
  @return {Object}