js like .includes but for arrays code example
Example 1: react check if array contains value
console.log(['joe', 'jane', 'mary'].includes('jane')); //true
Example 2: js array includes
[1, 2, 3].includes(2); // true
[1, 2, 3].includes(4); // false
[1, 2, 3].includes(3, 3); // false
[1, 2, 3].includes(3, -1); // true
[1, 2, NaN].includes(NaN); // true