Check if an array is sorted, return true or false

Question

I am writing an easy program the just returns true if an array is sorted else false and I keep getting an exception in eclipse and I just can\'t figure out why. I was wonder

Answer 1

Array.prototype.every

The every() method tests whether all elements in the array pass the test implemented by the provided function.

arr.every(function (a, b) {
  return a > b;
});

var arr = [1,2,3] // true

var arr = [3,2,1] // false