How do you reverse a string in place in JavaScript?

Question

How do you reverse a string in place (or in-place) in JavaScript when it is passed to a function with a return statement, without using built-in functions (.reverse()<

Answer 1

Using Array functions,

String.prototype.reverse = function(){
    return [].reduceRight.call(this, function(last, secLast){return last + secLast});
}