How to split a string into an array based on every FOUR commas?

Question

so I\'m trying to split a string into an array based on the amount of commas, how do I do that? Say my string is as such;

var string = \"abc, def, ghi, jkl,         


        

Answer 1

You can use split and reduce also to achieve this :

let array = str.split(", ").reduce((prev, curr, i) => {
      if(i%4 === 0){
         prev.push([]);
      }
      prev[prev.length - 1].push(curr);
      return prev;
   }, [])