Does it mutate 😱
Array.prototype.some
No mutation
Description
The some() method tests whether some element in the array passes the test implemented by the provided function.
Array.prototype.some ( callbackfn [ , thisArg ] )
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/some
Example
var array = [1, 2, 3, 4, 5];
var even = function(element) {
// checks whether an element is even
return element % 2 === 0;
};
console.log(array.some(even));
// expected output: true