1var assert = require('assert');
2
3/**
4 * @param {number[]} nums
5 * @return {number}
6 */
7function majorityElement(nums) {
8  var sortedNums = nums.sort();
9  return sortedNums[Math.floor(nums.length / 2)];
10}
11
12// console.log(majorityElement([1, 1, 1, 4, 2, 4, 4, 3, 1, 1, 1]));
13
14try {
15  assertIsFunction(majorityElement, '`majorityElement` is a function');
16
17  console.log('PASSED: ' + '`majorityElement` is a function');
18} catch (err) {
19  console.log(err);
20}
21
22try {
23  assert.equal(majorityElement([1, 4, 2, 4, 4, 3, 4]), 4);
24
25  console.log(
26    'PASSED: ' + '`majorityElement([1, 4, 2, 4, 4, 3, 4])` should return `4`'
27  );
28} catch (err) {
29  console.log(err);
30}
31
32try {
33  assert.equal(majorityElement([1, 1, 1, 4, 2, 4, 4, 3, 1, 1, 1]), 1);
34
35  console.log(
36    'PASSED: `majorityElement([1, 1, 1, 4, 2, 4, 4, 3, 1, 1, 1])` should return `1`'
37  );
38} catch (err) {
39  console.log(err);
40}
41
42function assertIsFunction(f) {
43  return typeof f === 'function';
44}