<div id="res"></div>

let key = [1,3,2],
    arr= ['хочу', 'все', 'знать'];

res.innerHTML+= arr + '<hr>';
res.innerHTML+= (arr.reduce((acc,cur,ind)=>{
  if(arr[--key[ind]]){
    acc[key[ind]]= cur;
  }
  return acc;
}, []));