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HTML

              
                <div class="box purple"></div>
              
            
!

CSS

              
                body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}
              
            
!

JS

              
                let master = gsap.timeline({smoothChildTiming: true})

const blueballoon = ["balloon", "blue"];
const redapple = ["apple", "red"]; 
const greenmelon = ["watermelon", "green"];
const yellowbanana = ["banana", "yellow"];

// nice simple old-fashioned normal function with some parameters. Nothing jazzy, you don't need arrow functions. 

function aniColor(myarray){  
  let tlFunc1 = gsap.timeline(
    { 
      defaults: {
        ease: "circ"
      }
    } 
  )

  console.log(myarray[0])
  // no clue why the above isn't working - had to comment out bc js screams about type matching? but not part of my issue anyway?
  
  tlFunc1.to('.box', {
    backgroundColor: myarray[1]
  })

  return tlFunc1
}
  

function aniBox(){  
    let tlFunc2 = gsap.timeline(
  
  { 
    defaults: {
      repeatRefresh: true,
      yoyoEase: true,
      repeat: -1,
      duration: 2
    }
  
  
  } )

    .to(".box", {rotate: 180})

    return tlFunc2
  }

  master
  .add(aniBox)
  .add(aniColor(blueballoon), "+=1") //diff version of call, but for master timelines? 
  .add(aniColor(greenmelon), "+=1")
  // .play("testEnd") // adding this doesn't work and also breaks aniBox rotation
  .add(aniColor(redapple), "+=1")
  .add(aniColor(greenmelon), "+=1")
  .addLabel("startLoop")
  .add(aniColor(redapple), "+=1")
  .add(aniColor(greenmelon), "+=1")
  .add(aniColor(blueballoon), "+=1")
  .add(aniColor(redapple), "+=1")
  .add(aniColor(greenmelon), "+=1")
  // .play("startLoop") // if I don't comment this out, master starts at startLoop label, ignoring all before
  .add(aniColor(redapple), "+=1")
  .addLabel("testEnd")
  .add(aniColor(yellowbanana), "+=1")
  // don't know how to stop the endless repeat on the aniBox function?
  .add(function() {
    aniBox.kill()
  }, "<")
  // the above doesn't work?
  // ReferenceError: Can't find variable: aniBox
  .add(aniColor(redapple), "+=1")
  .add(aniColor(greenmelon), "+=1")
  .add(aniColor(redapple), "+=1")
  .add(aniColor(greenmelon), "+=1")
  .add(aniColor(redapple), "+=1")
              
            
!
999px

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