let num=[5,6];
let sum=num.reduce(myfun);
function myfun(total,value)
{return total+value};
console.log("Total="+sum);
console.log("Mean="+sum/num.length)
bGV0IG51bT1bNSw2XTsKbGV0IHN1bT1udW0ucmVkdWNlKG15ZnVuKTsKZnVuY3Rpb24gbXlmdW4odG90YWwsdmFsdWUpCntyZXR1cm4gdG90YWwrdmFsdWV9Owpjb25zb2xlLmxvZygiVG90YWw9IitzdW0pOwpjb25zb2xlLmxvZygiTWVhbj0iK3N1bS9udW0ubGVuZ3RoKSA=