Merge pull request #99 from seemcat/mc9

Test & Solution for #31.

solutions/31.js

@@ -3,12 +3,12 @@
 // input: ['hi','hello','hola']
 // output 'hello'
 
-// Solutions by Colin Xie @ColinX13
-
+// Solution by Colin Xie @ColinX13
+// Solution1 by Maricris Bonzo @Seemcat
 /**
  * @param {string[]} arr - the array of strings
  * @return {string} word - the longest word in the array
-*/
+ */
 const solution = (arr) => {
   let maxLength = 0;
   let word = 0;
@@ -20,6 +20,20 @@ const solution = (arr) => {
   }
   return word;
 };
+
+const solution1 = (arr) => {
+  let big = arr[0];
+  let i = 1;
+  while(i < arr.length){
+    if (big.length < arr[i].length){
+      big = arr[i];
+    }
+    i++;
+  };
+  return big;
+};
+
 module.exports = {
   solution,
+  solution1
 };

test/31.js

@@ -1,5 +1,6 @@
 const expect = require('chai').expect;
 let solution = require('../solutions/31').solution;
+let solution1 = require('../solutions/31').solution1;
 // solution = require('./yourSolution').solution;
 
 describe('longest string in an array', () => {
@@ -19,4 +20,19 @@ describe('longest string in an array', () => {
   it('the longest string in [just] is just', () => {
     expect(solution(['just'])).eql('just');
   });
+  it.only('the longest string in [hi,hello,hola] is hello', () => {
+    expect(solution1(['hi','hello','hola'])).eql('hello');
+  })
+  it.only('the longest string in [is, whether, approximately] is approximately', () => {
+    expect(solution1(['is','whether','approximately'])).eql('approximately');
+  })
+  it.only('the longest string in [wait,see,us] is wait', () => {
+    expect(solution1(['wait','see','us'])).eql('wait');
+  })
+  it.only('the longest string in [shout,basic,lead] is shout', () => {
+    expect(solution1(['shout','basic','lead'])).eql('shout');
+  })
+  it.only('the longest string in [just] is just', () => {
+    expect(solution1(['just'])).eql('just');
+  })
 });