How to use

DEFAULT_COLORS

function

in

Array

(function () {

 ColorsIterator.DEFAULT_COLORS = ["#1ad5de", "#a0ff03", "#e90b3a", '#ff9500', '#007aff', '#ffcc00', '#5856d6', '#8e8e93'];

 function ColorsIterator() {
  this.index = 0;
 }

 ColorsIterator.prototype.next = function () {
  if (this.index === ColorsIterator.DEFAULT_COLORS.length) {
   this.index = 0;
  }

  return ColorsIterator.DEFAULT_COLORS[this.index++];
 };

 return ColorsIterator;
})()