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Javascript: Number of prime numbers under 100 (HackerRank)
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| // variables | |
| var number = 2, | |
| count = 0; | |
| // while prime count | |
| while (number < 100) { | |
| if (isPrime(number)) { | |
| count++; | |
| } | |
| number++; | |
| } | |
| // check if number is a prime number | |
| function isPrime (number) { | |
| for (var i = 2; i < number; i++) { | |
| if(number % i === 0) | |
| return false; | |
| } | |
| return true; | |
| } | |
| // output | |
| console.log(count); // 25 |
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