1const array1 = [1, 2, 3];
2
3console.log(array1.includes(2));
4// expected output: true
5
6const pets = ['cat', 'dog', 'bat'];
7
8console.log(pets.includes('cat'));
9// expected output: true
10
11console.log(pets.includes('at'));
12// expected output: false

1array.includes(élémentRecherché)
2array.includes(élémentRecherché, indiceDépart)
3