Free Salesforce JS-Dev-101 Exam Questions

A developer wrote the following code to test a sum3 function that takes in an array of numbers and returns the sum of the first three numbers in the array, and the test passes.A different developer made changes to the behavior of sum3 to instead sum only the first two numbers present in the array.Which two results occur when running this test on the updated sum3 function?Choose 2 answers

A developer creates a class that represents a blog post based on the requirement that aPost should have a body author and view count.The Code shown Below:Class Post {// Insert code hereThis.body =bodyThis.author = author;this.viewCount = viewCount;}}Which statement should be inserted in the placeholder on line 02 to allow for a variable to be setto a new instanceof a Post with the three attributes correctly populated?

A developer creates a simple webpage with an input field. When a user enters text inthe input field and clicks the button, the actual value of the field must be displayed in theconsole.Here is the HTML file content:< input type ='' text'' value=''Hello'' name =''input'' >< button type =''button'' >Display < /button >The developer wrote the javascript code below:Const button = document.querySelector('button');button.addEvenListener('click', () => (Const input = document.querySelector('input');console.log(input.getAttribute('value'));When the user clicks the button, the output is always ''Hello''.What needs to be done make this code work as expected?

Refer to the code below:let o = {get js() {let city1 = String('st. Louis');let city2 = String(' New York');return {firstCity: city1.toLowerCase(),secondCity: city2.toLowerCase(),}}}What value can a developer expect when referencing o.js.secondCity?

The developer has a function that prints ''Hello'' to an input name. To test this, thedeveloper created a function that returns ''World''. However the following snippet does not print '' Hello World''.What can the developer do to change the code to print ''Hello World'' ?