Free Salesforce JS-Dev-101 Exam Questions
Absolute Free JS-Dev-101 Exam Practice for Comprehensive Preparation
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Salesforce JS-Dev-101 Exam Questions
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Provided By: Salesforce
- Exam: Salesforce Certified JavaScript Developer - Multiple Choice
- Certification: Salesforce Certified Developer
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Total Questions: 217
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Updated On: Nov 25, 2025
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Rated: 4.9 |
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Online Users: 434
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Question 1
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A developer creates a simple webpage with an input field. When a user enters text inthe input field and clicks the button, the actual value of the field must be displayed in theconsole.Here is the HTML file content:< input type ='' text'' value=''Hello'' name =''input'' >< button type =''button'' >Display < /button >The developer wrote the javascript code below:Const button = document.querySelector('button');button.addEvenListener('click', () => (Const input = document.querySelector('input');console.log(input.getAttribute('value'));When the user clicks the button, the output is always ''Hello''.What needs to be done make this code work as expected?
Answer: A
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Question 2
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Refer to the code below:Const pi = 3.1415326,What is the data type of pi?
Answer: B
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Question 3
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A developer at Universal Containers creates a new landing page based on HTML, CSS, andJavaScript TO ensure that visitors have a good experience, a script named personaliseContextneeds to be executed when the webpage is fully loaded (HTML content and all related files ), inorder to do some custom initialization.Which statement should be used to call personalizeWebsiteContent based on the abovebusiness requirement?
Answer: B
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Question 4
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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?
Answer: A
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Question 5
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A developer is working on an ecommerce website where the delivery date is dynamicallycalculated 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 must now be today'sdate + 9 days.Which code meets this new requirement?
Answer: A
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