Use Object.is() to compare input against allowed values.
Object.is()
input
const isRedGreenOrBlue = is('red', 'green', 'blue');isRedGreenOrBlue('red'); // trueisRedGreenOrBlue('yellow'); // false Copy
const isRedGreenOrBlue = is('red', 'green', 'blue');isRedGreenOrBlue('red'); // trueisRedGreenOrBlue('yellow'); // false
Use
Object.is()to compareinputagainst allowed values.