Free Salesforce JS-Dev-101 Practice Exams Questions 2026  - TheExamsLabs

Start Preparation with the Latest and Real 100% Free Salesforce Certified Developer JS-Dev-101 Exam Dumps Questions Practice 2026

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Total 217 Questions | Updated On: May 21, 2026
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Question 1

Which three actions can be using the JavaScript browser console?
Choose 3 answers:


Answer: A,C,D
Question 2

Refer to code below:
console.log(0);
setTimeout(() => (
console.log(1);
});
console.log(2);
setTimeout(() => {
console.log(3);
), 0);
console.log(4);
In which sequence will the numbers be logged?


Answer: C
Question 3

Given the code below:
01 function GameConsole (name) {
02 this.name = name;
03 }
04
05 GameConsole.prototype.load = function(gamename) {
06 console.log( ` $(this.name) is loading a game : $(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 cartridge game: Super Monic 3x Force . . .


Answer: B
Question 4

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?


Answer: B
Question 5

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?


Answer: C
Page:    1 / 44      
Total 217 Questions | Updated On: May 21, 2026
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