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JS Bin// source https://jsbin.com/qupawe
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// display prime numbers up to n. | |
'use strict'; | |
var isPrime = function isPrime(number) { | |
if (number < 2) return false; | |
var sqrt = Math.floor(Math.sqrt(number)); | |
for (var i = 2; i <= sqrt; i++) { | |
if (number % i === 0) { | |
return false; | |
} | |
} | |
return true; | |
}; | |
var getPrimeNumbersUpTo = function getPrimeNumbersUpTo(number) { | |
var primes = []; | |
var sqrt = Math.floor(Math.sqrt(number)); | |
for (var i = 0; i <= number; i++) { | |
if (isPrime(i)) { | |
primes.push(i); | |
} | |
} | |
return primes.join(', '); | |
}; | |
console.log(getPrimeNumbersUpTo(100)); |
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