CODE EXAMPLE FOR JAVASCRIPT

gsap keyframes

gsap.to(".box", {
  keyframes: {
    x: [0, 100, 100, 0, 0],
    y: [0, 0, 100, 100, 0],
    ease: "power1.inOut"
  },
  duration: 2
});

//-------

gsap.to(".elem", {
 keyframes: [
  {x: 100, duration: 1, ease: 'sine.out'}, // finetune with individual eases
  {y: 200, duration: 1, delay: 0.5}, // create a 0.5 second gap
  {rotation: 360, duration: 2, delay: -0.25} // overlap by 0.25 seconds
 ],
 ease: 'expo.inOut' // ease the entire keyframe block
});

// ------

gsap.to(".elem", {
 keyframes: {
  "0%":   { x: 100, y: 100},
  "75%":  { x: 0, y: 0, ease: 'sine.out'}, // finetune with individual eases
  "100%": { x: 50, y: 50 },
   easeEach: 'expo.inOut' // ease between keyframes
 },
 ease: 'none' // ease the entire keyframe block
 duration: 2,
})

// https://greensock.com/understanding-keyframes/