Array extension

ArrayExtension.js

/*
 * Array clone
 */
Array.prototype.clone = function()
{
    return this.concat([]);
}

/*
 * Max value (only number
 */
Array.prototype.max = function() {
  return Math.max.apply(null, this);
}

/*
 * Min value (only number
 */
Array.prototype.min = function() {
	return Math.min.apply(null, this);
}