javascript include in array code example
Example 1: js array includes
[1, 2, 3].includes(2);
[1, 2, 3].includes(4);
[1, 2, 3].includes(3, 3);
[1, 2, 3].includes(3, -1);
[1, 2, NaN].includes(NaN);
Example 2: javascript list include
const array1 = [1, 2, 3];
console.log(array1.includes(2));
const pets = ['cat', 'dog', 'bat'];
console.log(pets.includes('cat'));
console.log(pets.includes('at'));
Example 3: javascript check if array is in array
var array = [1, 3],
prizes = [[1, 3], [1, 4]],
includes = prizes.some(a => array.every((v, i) => v === a[i]));
console.log(includes);