Add factors

Author: jfarmer

exercises/numbers/factors/factors.js

@@ -0,0 +1,30 @@
+/**
+ * Given a positive integer, return an array consisting of all its factors
+ * arranged from smallest to largest.
+ *
+ * @example
+ * factors(2); // => [1, 2]
+ * factors(4); // => [1, 2, 4]
+ * factors(12); // => [1, 2, 3, 4, 6, 12]
+ *
+ * @param {number} num - A positive integer
+ * @returns {number[]} An array of all the factors of the given integer
+ */
+function factors(num) {
+  let results = [];
+
+  for (let i = 1; i <= num; i++) {
+    // Your code goes here. :)
+    // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/push
+  }
+  return results;
+}
+
+if (require.main === module) {
+  console.log('Running sanity checks for factors:');
+
+  // Add your own sanity checks here.
+  // How else will you be sure your code does what you think it does?
+}
+
+module.exports = factors;