canVote
Given a person's age, determine if they are old enough to vote. The voting age is 18.
Examples
canVote(25) → true
canVote(17) → false
canVote(18) → true
Starter code
function canVote(age) {
}
Complexity of the optimal solution
Time O(1), space O(1). This function performs a single comparison, which is a constant time operation.