JSFiddle - React, Tailwind, and code Playground

JavaScript

function colSplit(arr, c){
	var res = new Array(c);
  for(var i=0;i<c;++i){
  	res[i] = [];
  }
  for(var i=0;i<arr.length;++i){
  	res[i%c].push(arr[i]);
  }
  return res;
}

var a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];

console.log(colSplit(a, 3))