Contents

'use strict';

function newArrayWithRange(first, last) {
  var i, array = [];
  for ( i = first; i <= last; i++ ) {
    array.push(i);
  }
  return array;
}

function indivisibleBy(value) {
  return value % this !== 0;
}

function sieve(n) {
  var i, prime, possibilities, primes = [];

  possibilities = newArrayWithRange(2, n);

  do {
    prime = possibilities.shift();
    primes.push(prime);
    possibilities = possibilities.filter( indivisibleBy, prime );
  } while (possibilities.length > 0);

  return primes;
}

module.exports = function (n) {
  this.primes = sieve(n);
};

Version data entries

255 entries across 255 versions & 1 rubygems

Version	Path
trackler-2.1.0.19	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.18	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.17	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.16	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.15	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.14	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.13	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.12	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.11	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.10	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.9	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.8	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.7	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.6	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.5	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.4	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.3	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.2	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.1	tracks/javascript/exercises/sieve/example.js
trackler-2.1.0.0	tracks/javascript/exercises/sieve/example.js