srezasm

let array = [0, 1, 2, 3];
array = array.slice(-1);

console.log(array);
// Result: [3]

srezasm

const array = [1, 1, 2, 3, 6, 6, 7];

console.log(
  [...new Set(array)]
);
// Result: [1, 2, 3, 4, 7]

srezasm

let int = "15";
int = +int;

console.log(int);
// Result: 15

console.log(
  typeof int
);
// Result: number

srezasm

const isTrue = !0;
const alsoFalse = !!0;

console.log(isTrue);
// Result: true

console.log(alsoFalse);
// Result: false

srezasm

const int = 19.8 | 0;

console.log(int);
// Result: 19

console.log(
  typeof int
)
// Result: number

srezasm

const int = 19.8 | 0;

console.log(int);
// Result: 19

console.log(
  typeof int
)
// Result: number