code: function parse (el, parseFn, context, canBreak) {
    if (!el) { return; }
  
    if (!Array.isArray(el)) {
      parseFn.call(context, el);
    } else if (canBreak) {
      el.some(parseFn, context);
    } else {
      el.forEach(parseFn, context);
    }
  }
docs: Invokes a callback with a specified context.
  If the el is an array, the callback will be called for each item in the array
  
  @param el
  @param parseFn
  @param context