Slide 44
Slide 44 text
// Animation: 60fps / 16ms per frame.
showDetailsView () {
console.time('heroTransitionShow');
this.heroImage.classList.add('hero-image--visible');
let onHeroAnimationFinished = () => {
console.timeEnd('heroTransitionShow');
this.heroImage.removeEventListener('transitionend',
onSideNavOpen);
}
// Listen for the end of the animation.
this.heroImage.addEventListener(‘transitionend',
onSideNavOpen);
}