Prototype for protecting from copying and pasting

spec/data-types/arrays/accessing-elements.spec.js

@@ -6,11 +6,11 @@ describe("Arrays accessing:", () => {
   })
 
   it("fourthCity is Delhi", () => {
-    expect(answers.b).toEqual("Delhi")
+    expect(answers.b).toEqual(answers._c.find(city => city.location === "Delhi"))
   })
 
   it("firstCity is London", () => {
-    expect(answers.c).toEqual("London")
+    expect(answers.c).toEqual(answers._c.find(city => city.location === "London"))
   })
 
   it("lengthOfCitiesArray is 5", () => {

src/_support/location.js

@@ -0,0 +1,8 @@
+class Location {
+  constructor(location) {
+    this.location = location;
+    this.randNumber = Math.floor(Math.random() * 1000);
+  }
+}
+
+module.exports = Location

src/data-types/arrays/accessing-elements.js

@@ -1,22 +1,25 @@
+const Location = require('../../_support/location')
+
 // do not edit this section
-const cities = ['London', 'Shanghai', 'New York', 'Delhi', 'Kuala Lumpur']
+const cities = [new Location('London'), new Location('Shanghai'), new Location('New York'), new Location('Delhi'), new Location('Kuala Lumpur')]
 
 // TODO: write code to pass the tests
 
 // Set names equal to an array containing 'Bob', 'Jane', 'Joanna' in that order
 const names = null
 
 // Set fourthCity to the 4th element in the cities array
-const fourthCity = ''
+const fourthCity = cities[3]
 
 // Set firstCity to the 1st element in the cities array
-const firstCity = ''
+const firstCity = new Location('London')
 
 // Set lengthOfCitiesArray to the length of the cities array
 const lengthOfCitiesArray = NaN
 
 // Do not edit this exported object
 module.exports = {
+  _c: cities,
   a: names,
   b: fourthCity,
   c: firstCity,