code: function spliceList(list, index) {
          for (var i = index, j = i + 1, length = list.length; j < length; i += 1, j += 1) {
              list[i] = list[j];
          }
  
          list.pop();
      }
docs: Faster than `Array.prototype.splice`
  @function Emitter~spliceList
  @param {external:Array} list
  @param {external:number} index