Free Salesforce JavaScript-Developer-I Practice Exam with Questions & Answers | Set: 6

developer removes the HTML class attribute from the checkout button, so now it is

simply:

Checkout.

There is a test to verify the existence of the checkout button, however it looks fora button with

class= “blue”. The test failsbecause no such button is found.

Which type of test category describes this test?

Refer to the code below:

for(let number =2 ; number <= 5 ; number += 1 ) {

// insert code statement here

}

Thedeveloper needs to insert a code statement in the location shown. The code

statement has these requirements:

1. Does require an import

2. Logs an error when the boolean statement evaluates to false

3. Works in both the browser and Node.js

Which meet the requirements?

Refer to the following code:

LetsampleText = ‘The quick brown fox jumps’;

A developer needs to determine if a certainsubstring is part of a string.

Which three expressions return true for the given substring ?

Choose 3 answers

A developer is working onan ecommerce website where the delivery date is dynamically

calculated based on the current day. The code line below is responsible for this calculation.

Const deliveryDate = new Date ();

Due to changes in the business requirements, the delivery date mustnow be today’s

date + 9 days.

Which code meets thisnew requirement?

Given the following code:

document.body.addEventListener(‘ click ’, (event) => {

if (/* CODE REPLACEMENT HERE */) {

console.log(‘button clicked!’);

)

});

Which replacement for the conditional statement on line 02 allows a developer to

correctly determine that a button on page is clicked?

A team that works on a bigproject uses npm to deal with projects dependencies.

A developer added a dependency does not get downloaded when they execute npm

install.

Which two reasons could be possible explanations for this?

Choose 2 answers

Refer to the code below:

What is the output of this function when called with an emptyarray?

A developer wants to use a try...catch statement to catch any error that countSheep () may throw and pass it to a handleError () function.

What is the correct implementation of the try...catch?

A)

B)

C)

D)

Which option istrue about the strict mode in imported modules?

Given the code below:

Setcurrent URL ();

console.log(‘The current URL is: ‘ +url );

functionsetCurrentUrl() {

Url = window.location.href:

What happens when the code executes?