Array methods

array-methods.js

// Boolean value
// The every() method tests whether ALL elements in the array pass the test implemented by the provided function.
Array.prototype.every()

// Boolean value
// The includes() method determines whether an array includes a certain value among its entries.
Array.prototype.includes()

// Boolean value
// The some() method tests whether at least one element in the array passes the test implemented by the provided function.
// It returns true if, in the array, it finds an element for which the provided function returns true; 
// otherwise it returns false. It doesn't modify the array.
Array.prototype.some()