Free DEX602 Mock Exam – Practice Online Confidently

Refer to the code below:const event = new CustomEvent(//Missing Code);obj.dispatchEvent(event);A developer needs to dispatch a custom event called update to send information aboutrecordId.Which two options could a developer insert at the placeholder in line 02 to achieve this?Choose 2 answers

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 function should a developer use to repeatedly execute code at a fixed interval ?

A developer is creating a simple webpage with a button. When a user clicks this buttonfor the first time, a message is displayed.The developer wrote the JavaScript code below, but something is missing. Themessage gets displayed every time a user clicks the button, instead of just the first time.01 function listen(event) {02 alert ( 'Hey! I am John Doe') ;03 button.addEventListener ('click', listen);Which two code lines make this code work as required?Choose 2 answers