element.animate() code example

Example 1: javascript animate elements

document.getElementById("tunnel").animate([
  // keyframes
  { transform: 'translateY(0px)' },
  { transform: 'translateY(-300px)' }
], {
  // timing options
  duration: 1000,
  iterations: Infinity
});

Example 2: js add animation to element

let rotate360 = [
  { transform: 'rotate(360deg)' }
];