Yes/no functions
Read · 1 of 2
Return true or false
function isPrime(n) answers a question. Then if (isPrime(n)) reads almost like a sentence.
A function stops as soon as it hits return, so you can return early: if (n < 2) return false;.
Read · 1 of 2
function isPrime(n) answers a question. Then if (isPrime(n)) reads almost like a sentence.
A function stops as soon as it hits return, so you can return early: if (n < 2) return false;.