Exercises

02week/exercises.js

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+// length
+let cars = ['Ford', 'BMW', 'Audi', 'Toyota'];
+console.log(cars.length);
+
+// conat
+let moreCars = ['Buick', 'Mercedes', 'Lexus', "Honda"];
+let totalCars = cars.concat(moreCars);
+console.log(totalCars);
+// cant figure out how to rename the new array
+
+// indexOf and lastIndexOf
+console.log(totalCars.indexOf('Honda'));
+console.log(totalCars.lastIndexOf('Ford'));
+
+// join
+let stringOfCars = totalCars.join();
+console.log(stringOfCars);
+
+// split
+totalCars = stringOfCars.split(" ");
+console.log(totalCars);
+
+// reverse
+carsInReverse = totalCars.reverse();
+console.log(carsInReverse);
+// cant get this one to reverse. still prints items in order
+
+// sort
+carsInReverse.sort();
+console.log(carsInReverse);
+// alert(carsInReverse.indexOf('Audi'));
+// not working
+
+// slice
+
+// splice
+
+// push
+
+// pop
+
+// shift
+
+// unshift
+
+// forEach

02week/tests.js

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+'use strict';
+
+const assert = require('assert');
+const readline = require('readline');
+const rl = readline.createInterface({
+    input: process.stdin,
+    output: process.stdout
+});
+
+
+
+function rockPaperScissors(hand1, hand2) {
+    if (hand1 === hand2) {
+        return "It's a tie!"
+    }
+    if (hand1 === 'rock' && hand2 === 'paper') {
+        return "Hand2 wins!"
+    }
+    if (hand1 === 'rock' && hand2 === 'scissors') {
+        return "Hand1 wins!"
+    }
+    if (hand1 === 'paper' && hand2 === 'scissors') {
+        return "Hand2 wins!"
+    }
+    if (hand1 === 'paper' && hand2 === 'rock') {
+        return "Hand1 wins!"
+    }
+    if (hand1 === 'scissors' && hand2 === 'paper') {
+        return "Hand1 wins!"
+    }
+    if (hand1 === 'scissors' && hand2 === 'rock') {
+        return "Hand2 wins!"
+    }
+};
+
+
+
+function getPrompt() {
+    rl.question('hand1: ', (answer1) => {
+        rl.question('hand2: ', (answer2) => {
+            console.log(rockPaperScissors(answer1, answer2));
+            getPrompt();
+        });
+    });
+}
+
+
+
+
+// Tests
+
+if (typeof describe === 'function') {
+
+    describe('#rockPaperScissors()', () => {
+        it('should detect a tie', () => {
+            assert.equal(rockPaperScissors('rock', 'rock'), "It's a tie!");
+            assert.equal(rockPaperScissors('paper', 'paper'), "It's a tie!");
+            assert.equal(rockPaperScissors('scissors', 'scissors'), "It's a tie!");
+        });
+        it('should detect which hand won', () => {
+            assert.equal(rockPaperScissors('rock', 'paper'), "Hand two wins!");
+            assert.equal(rockPaperScissors('paper', 'scissors'), "Hand two wins!");
+            assert.equal(rockPaperScissors('rock', 'scissors'), "Hand one wins!");
+        });
+        it('should scrub input to ensure lowercase with "trim"ed whitepace', () => {
+            assert.equal(rockPaperScissors('rOcK', ' paper '), "Hand two wins!");
+            assert.equal(rockPaperScissors('Paper', 'SCISSORS'), "Hand two wins!");
+            assert.equal(rockPaperScissors('rock ', 'sCiSsOrs'), "Hand one wins!");
+        });
+        // my tests for checking which hand is the winner
+        it('should detect if hand1 won', () => {
+            assert.equal(rockPaperScissors('paper', 'rock'), "Hand one wins!");
+            assert.equal(rockPaperScissors('rock', 'scissors'), "Hand one wins!");
+            assert.equal(rockPaperScissors('scissors', 'paper'), "Hand one wins!");
+        });
+        it('should detect if hand2 won', () => {
+            assert.equal(rockPaperScissors('rock', 'paper'), "Hand two wins!");
+            assert.equal(rockPaperScissors('scissors', 'rock'), "Hand two wins!");
+            assert.equal(rockPaperScissors('paper', 'scissors'), "Hand two wins!");
+        });
+    });
+} else {
+
+    getPrompt();
+
+}