find primeNumber in js

Example heading with h2 size

Example heading with h3 size

Following is sample java code.

function prime(n){
    if(n<2){
        return false
    }
    for(let i = 2 ;i < n;i++){
        if(n%i==0){
            return false
        }
    }
    return true
}
console.log(prime(7))