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Exam Code:JavaScript-Developer-I
Exam Name:Salesforce Certified JavaScript Developer (JS-Dev-101)
Certification Provider:Salesforce
Free Question Number:110
Version:v2024-08-09
Rating:
# of views:8246
# of Questions views:251514
Go To JavaScript-Developer-I Questions

Recent Comments (The most recent comments are at the top.)

Mark - Oct 07, 2026

No.# A is correct.

Jennifer - Aug 20, 2026

Passed! great dump btw, only 2 questions out of the total not on dump.

Mark - Aug 19, 2026

No.# C is correct answer.

Mark - Aug 18, 2026

No.# Correct is B
The requirement says "two events that listen at execution time" — meaning two separate, sibling .on() registrations, both set up immediately when the script runs.

Mark - Aug 18, 2026

No.# Undefined question

Mark - Aug 14, 2026

No.# Agree,
A, B and C are correct.

Mark - Aug 14, 2026

No.# A and C are correct.

Mark - Aug 14, 2026

No.# B is correct.
try/catch only catches errors thrown synchronously within its own execution. Anything that runs later (callbacks, promises, setTimeout, event handlers) needs its own try/catch inside that callback.

Mark - Aug 12, 2026

No.# C is correct.

Mark - Aug 12, 2026

No.# Correct is A.

Mark - Aug 12, 2026

No.# A, C and D are correct.
Easy to check in console.

Mark - Aug 12, 2026

No.# It's C.

Mark - Aug 11, 2026

No.# should be A and C.

Lee - Jun 11, 2026

I passed JavaScript-Developer-I exam with high score. The JavaScript-Developer-I exam questions are valid.

Mark - Mar 06, 2026

No.# A is correct:
import * as lib from '/path/universalContainersLib.js';lib.foo();lib.bar();

Mark - Mar 06, 2026

No.# A is correct

Mark - Mar 06, 2026

No.# B & D are correct
-String(var1).concat(var2)
-var1 + var2

Mark - Mar 06, 2026

No.# C is correct. super (size);

Mark - Mar 05, 2026

No.# A is correct

Mark - Mar 03, 2026

No.# A is correct

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Exam Question List
3 commentQuestion 1: Given the HTML below: (Exhibit) Which statement adds the pri...
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1 commentQuestion 3: Refer to HTML below: <div id ="main"> <div id = " c...
2 commentQuestion 4: Refer to the code below: Async funct on functionUnderTest(is...
2 commentQuestion 5: What are two unique features of functions defined with a fat...
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Question 7: In which situation should a developer include a try .. catch...
Question 8: Given the following code: let x = null; console.log(typeof x...
Question 9: Given the JavaScript below: 01 function filterDOM (searchStr...
3 commentQuestion 10: A developer has a formatName function that takes two argumen...
1 commentQuestion 11: Refer to thefollowing code that imports a module named utils...
Question 12: A developer writes the code below to return a message to a u...
3 commentQuestion 13: Refer to the code snippet below: Let array = [1, 2, 3, 4, 4,...
1 commentQuestion 14: Refer the following code (Exhibit) What is the value of arra...
Question 15: Given the requirement to refactor the code above to JavaScri...
Question 16: A developer has an ErrorHandler module that contains multipl...
Question 17: Refer to the code below: Const myFunction = arr => { Retu...
4 commentQuestion 18: A developer has two ways to write a function: Option A: func...
Question 19: (Exhibit) Which code change should be done for the console t...
Question 20: Refer to the code: (Exhibit) Given the code above, which thr...
Question 21: A developer creates a class that represents a blog post base...
4 commentQuestion 22: bar, awesome is a popular JavaScript module. the versions pu...
Question 23: Refer to the code below: Let str = 'javascript'; Str[0] = 'J...
Question 24: The developer wants to test the array shown: const arr = Arr...
3 commentQuestion 25: Refer to code below: Function muFunction(reassign){ Let x = ...
3 commentQuestion 26: developer publishes a new version of a package with new feat...
Question 27: Refer the code below. x=3.14; function myfunction() { "use s...
Question 28: Refer to the code below: (Exhibit) Considering that JavaScri...
4 commentQuestion 29: Refer to the code below: Let foodMenu1 = ['pizza', 'burger',...
3 commentQuestion 30: Refer to the following array: Let arr = [ 1,2, 3, 4, 5]; Whi...
2 commentQuestion 31: A developer wrote the following code to test a sum3 function...
Question 32: A developer creates a simple webpage with an input field. Wh...
Question 33: A developer has two ways to write a function: Option A: func...
2 commentQuestion 34: Refer to the HTML below: (Exhibit) Which JavaScript statemen...
Question 35: A Developer wrote the following code to test a sum3 function...
1 commentQuestion 36: A developer is setting up a Node,js server and is creating a...
5 commentQuestion 37: Given HTML below: <div> <div id ="row-uc"> Unive...
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3 commentQuestion 39: Given the following code: Counter = 0; const logCounter = ()...
Question 40: Cloud Kicks has a class to represent items for sale in an on...
1 commentQuestion 41: A developer implements and calls the following code when an ...
1 commentQuestion 42: A class was written to represent items for purchase in an on...
Question 43: Given the following code: document.body.addEventListener(' c...
Question 44: Which option is a core Node,js module?...
Question 45: Given the following code: (Exhibit) is the output of line 02...
2 commentQuestion 46: Refer to the expression below: Let x = ('1' + 2) == (6 * 2);...
2 commentQuestion 47: Which three statements are true about promises ? Choose 3 an...
1 commentQuestion 48: A developer is leading the creation of a new browser applica...
Question 49: Refer to the code below? Let searchString = ' look for this ...
Question 50: A developer has the function, shown below, that is called wh...
2 commentQuestion 51: A developer wrote a fizzbuzz function thatwhen passed in a n...
Question 52: Refer to the following array: Let arr = [1, 2, 3, 4, 5]; Whi...
Question 53: A developer creates a simple webpage with an input field. Wh...
3 commentQuestion 54: Which two console logs output NaN? Choose 2 answers | |...
Question 55: Why would a developerspecify a package.jason as a developed ...
1 commentQuestion 56: After user acceptance testing, the developer is asked to cha...
Question 57: Refer to code below: Let productSKU = '8675309' ; A develope...
Question 58: Refer to the code below: console.log(''start); Promise.resol...
Question 59: Refer to the following code: 01 function Tiger(){ 02this.Typ...
2 commentQuestion 60: developer is trying to convince management that their team w...
2 commentQuestion 61: Which statement accurately describes the behaviour of the as...
2 commentQuestion 62: developer has a web server running with Node.js. The command...
Question 63: Given the following code: (Exhibit) What will be the first f...
Question 64: Given the code below: Setcurrent URL (); console.log('The cu...
1 commentQuestion 65: A developer implements a function that adds a few values. Fu...
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Question 67: A developer is asked to fix some bugs reported by users. To ...
3 commentQuestion 68: A developer wants to use a try...catch statement to catch an...
Question 69: Refer to the code below: 01 const server = require('server')...
Question 70: Refer to the code below: (Exhibit) Which value can a develop...
Question 71: developer removes the HTML class attribute from the checkout...
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1 commentQuestion 84: Given the code below: const delay = sync delay => { Retur...
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2 commentQuestion 89: A developer is setting up a new Node.js server with a client...
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