Free Salesforce JavaScript-Developer-I Practice Exam with Questions & Answers

Refer to code below:

Let a =’a’;

Let b;

// b = a;

console.log(b);

What is displayed when the code executes?

Refer to code below:

Function muFunction(reassign){

Let x = 1;

var y = 1;

if( reassign ) {

Let x= 2;

Var y = 2;

console.log(x);

console.log(y);}

console.log(x);

console.log(y);}

What is displayed when myFunction(true) is called?

A developer wants to iterate through an array of objects and count the objects and count

the objects whose property value, name, starts with the letterN.

Const arrObj = [{“name” : “Zach”} , {“name” :“Kate”},{“name” : “Alise”},{“name” : “Bob”},{“name” :

“Natham”},{“name” : “nathaniel”}

Refer to the code snippet below:

01 arrObj.reduce(( acc, curr) => {

02 //missing line 02

02 //missing line 03

04 ). 0);

Which missing lines 02 and 03 return the correctcount?

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?

Given the code below:

01 function GameConsole (name) {

02 this.name = name;

03 }

04

05GameConsole.prototype.load = function(gamename) {

06 console.log( ` $(this.name) is loading agame : $(gamename) …`);

07 )

08 function Console 16 Bit (name) {

09 GameConsole.call(this, name) ;

10 }

11 Console16bit.prototype = Object.create ( GameConsole.prototype) ;

12 //insert code here

13 console.log( ` $(this.name) is loading a cartridge game :$(gamename) …`);

14 }

15 const console16bit = new Console16bit(‘ SNEGeneziz ’);

16 console16bit.load(‘ Super Nonic 3x Force ’);

What should a developer insert at line 15 to output the following message using the

method ?

> SNEGeneziz is loading a cartridgegame: Super Monic 3x Force . . .

Given the following code:

is the output ofline 02?

Refer to the code declarations below:

Whichthree expressions return the string JavaScript?

Choose 3 answers

Refer to the code below:

Const searchTest = ‘Yay! Salesforce is amazing!” ;

Let result1 = searchText.search(/sales/i);

Let result 21 = searchText.search(/sales/i);

console.log(result1);

console.log(result2);

After running this code, which result is displayed on the console?

Refer to HTML below:

The current status of an Order: In Progress

Which JavaScript statement changes thetext ‘In Progress’ to ‘Completed’ ?

Given the JavaScript below:

Which code should replace the placeholder comment on line 05 to highlight accounts that match the search string'