console.log( [1, 2, 3].includes(2) )      // true
console.log( [1, 2, 3].includes(4) )      // false
console.log( [1, 2, 3].includes(3, 3) )   // false
console.log( [1, 2, 3].includes(3, -1) )  // true
console.log( [1, 2, NaN].includes(NaN) )  // true