Curious about Actual Salesforce Prepare for your JavaScript Developer I Certification Exam Questions?

A developer writes the code below to calculate the factorial of a given number

function sum(number){

return number * sum(number-1);

}

sum(3);

what is the result of executing the code.

At Universal Containers, every team has its own way of copying JavaScript objects. The code snippet shows an Implementation from one team:

What is the output of the code execution?

Refer to the code below

let inArray = [[1,2],[3,4,5]];

which two statements results in the array [1,2,3,4,5]?

choose 2 answer

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?

After user acceptance testing, the developer is asked to change the webpage background based on user's location. This change was implemented and deployed for testing.

The tester reports that the background is not changing, however it works as required when viewing on the developer's computer.

Which two actions will help determine accurate results?

Choose 2 answers