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Free Salesforce DEX602 Exam Questions

Absolute Free DEX602 Exam Practice for Comprehensive Preparation 

  • Salesforce DEX602 Exam Questions
  • Provided By: Salesforce
  • Exam: Program Lightning Web Components
  • Certification: Javascript Developer
  • Total Questions: 217
  • Updated On: Apr 21, 2026
  • Rated: 4.9 |
  • Online Users: 434
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  • Question 1
    • A developer is leading the creation of a new browser application that will serve a single
      page application. The team wants to use a new web framework Minimalsit.js. The Lead
      developer wants to advocate for a more seasoned web framework that already has a
      community around it.
      Which two frameworks should the lead developer advocate for?
      Choose 2 answers

      Answer: B,D
  • Question 2
    • A developer is working on an ecommerce website where the delivery date is dynamically
      calculated 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's
      date + 9 days.
      Which code meets this new requirement?

      Answer: A
  • Question 3
    • Refer to the code below?
      Let searchString = ' look for this ';
      Which two options remove the whitespace from the beginning of searchString?
      Choose 2 answers

      Answer: B,D
  • Question 4
    • A developer creates a simple webpage with an input field. When a user enters text in
      the input field and clicks the button, the actual value of the field must be displayed in the
      console.
      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
  • Question 5
    • Universal Containers recently launched its new landing page to host a crowd-funding
      campaign. The page uses an external library to display some third-party ads. Once the page is
      fully loaded, it creates more than 50 new HTML items placed randomly inside the DOM, like the
      one in the code below:

      Capture

      All the elements includes the same ad-library-item class, They are hidden by default, and they are randomly displayed while the user navigates through the page.

      Answer: B
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