let data = {success: true,data: ["a,92","b,0","c,0","d,43","e,0","f,80","g,0","h,50","j,20","k,5"]};
let col = data.data.map((v) => {
  return v.split(',')[1];
});
 I think we can use a two-dimensional array to store 
 use  Array.shift ()  to delete the first array 
 use  Array.unshift ()  to add a new array 
 it's easy to strip out the numbers, just add split in a loop 
 Animation effects can be achieved by controlling the class name 
 write you a demo 
    let arr = ["a,92","b,0","c,0","d,43","e,0","f,80","g,0","h,50","j,20","k,5"]
    const lists = document.getElementsByTagName('body')[0].appendChild(document.createElement("ul"))
    lists.setAttribute("id", "lists")
    const num = 8  // 
    const second = 0.5  // 
    arr.map((v, i) => {
          let li = document.createElement("li")
          li.innerHTML = v.split(',')[1]
          li.style.transitionDelay = i * second + 's'
          lists.appendChild(li)
          
          setTimeout(() => {
            li.classList.add('list')
          }, 0)
            
          if(i > (num - 1)) {
            let deleteLi = document.getElementById('lists').getElementsByTagName('li')[i - num]
            deleteLi.classList.add("delete")
              
            let delay = [i - 1] * second
            deleteLi.style.animationDelay = delay + 's'
            
            setTimeout(() => {
              deleteLi.classList.add("hide")
            }, (delay + second) * 1000)
          }
    })