100% Free DEX602 Practice Exam Questions and Answers

Refer to code below:Let a ='a';Let b;// b = a;console.log(b);What is displayed when the code executes?

Refer to HTML below:The current status of an Order: In Progress Which JavaScript statement changes the text 'In Progress' to 'Completed' ?

Refer to the following code:class Vehicle{constructor(plate){this.plate = plate;}}class Truck extends Vehicle{constructor(plate, weight){//Missing codethis.weight = weight;}displayWeight(){console.log(`The truck ${this.plate} has a weight of ${this.weight}lb.`);}}let myTruck = new Truck('123Ab',5000);myTruck.displayWeight();Which statement should be added to missing code for the code to display 'The truck 123AB has aweight of 5000lb.

Which three actions can be using the JavaScript browser console?Choose 3 answers:

A developer has two ways to write a function:Option A:function Monster(){this.growl = ()=>{console.log('Grr!');}}Option B:function Monster(){};Monster.prototype.growl = ()=>{console.log('Grr!');}After deciding on an option, the developer creates 1000 monster objects.How many growl methods are created with Option A and Option B?