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The best way to Move Salesforce JavaScript Developer I Certification Examination


Final Up to date on July 29, 2022 by Rakesh Gupta

As a newly minted JavaScript Developer I Licensed, I’m sharing my research experiences with you and need you to be the subsequent one to ace it! So, prepare and dive in!

Along with Trailhead Trailmix, I created at the very least 25+ lightning web components in my developer org whereas serving to individuals within the Trailblazer group. I cannot stress sufficient the significance of this hands-on expertise in enabling me to move the examination! Deal with the JavaScript Developer I Trailmix as a base. To ace the examination, nevertheless, there isn’t a substitute for hands-on expertise.

For by studying from the start to the tip of this text, you’ll have a transparent understanding of – and can be capable of devise a plan and a method for – find out how to move the JavaScript Developer I Certification examination.  

So, Who’s an Best Candidate for the examination?

The Salesforce Licensed JavaScript Developer I is meant for people who’ve information, abilities, and expertise creating front-end and/or back-end JavaScript functions for the online stack. These abilities could be utilized to any framework and usually are not cell or gadget particular.

The candidate can use JavaScript-specific design patterns for programming, and may mix JavaScript with CSS, HTML, and different markup languages.

Each JavaScript developer can simply construct on Salesforce with Lightning Net Parts. For the thousands and thousands of JavaScript builders worldwide, this implies they’ll code on Salesforce with out having to study something new. Builders can use the prevailing portfolio of developer companies within the Lightning Platform and the trendy JavaScript language to construct and deploy blazing quick apps on Salesforce.

After deciding to look for the examination, it’s time to collect details about the examination and take into consideration what steps you’ll put in place to ace it. After you have a concrete timeline, start to consider how you’ll combine a sound research plan round the remainder of your tasks – work/dwelling steadiness, and so forth. Having a concrete date to check in direction of will assist you to keep motivated.

The certification consists of two components: the JavaScript Developer I proctored multiple-choice examination and the Lightning Net Parts Specialist superbadge. These two credentials could be earned in any sequence. The mixture of each of those credentials robotically earns the Salesforce Licensed JavaScript Developer I certification.

Beneath are some particulars concerning the examination and research supplies:

  • 60 multiple-choice/multiple-select questions – 105 minutes
  • 65% is the passing rating
  • The examination Price is $200 plus relevant taxes
  • Examination Define
    • Variables, Sorts, and Collections: 23%
    • Objects, Features, and Lessons: 25%
    • Browser and Occasions: 17%
    • Debugging and Error Dealing with: 7%
    • Asynchronous Programming: 13%
    • Server Aspect JavaScript: 8%
    • Testing: 7%

What you Have to Know to Smoothen your Journey

To ace JavaScript Developer I certification, it’s essential to exhibit your information, abilities, and expertise with the Lightning Part Framework and creating Lightning Net Parts. There is no such thing as a quick minimize to success. learn and apply as a lot as you’ll be able to.

  1. Let’s begin type fundamental – Although you haven’t written any code and wish to turn out to be a JavaScript Developer, the next steps will assist you to to realize your purpose.
    1. freeCodeCamp
      1. freeCodeCamp is an open-source group that helps individuals study to code. The course is structured in order that it’s straightforward for a non-technical man to begin studying internet improvement and walks you thru the front-end improvement and back-end improvement, specializing in the newest JavaScripts applied sciences.
      2. Join and end JavaScript Algorithms and Data Structures module.
      3. For JavaScript it has 294 chapters together with initiatives.
      4. You’ll be able to companion your studying with Full JavaScript Course for Beginners7 hours YouTube Video
      5. Further movies to study Object-oriented Programming in JavaScript: Made Tremendous Easy
  2. Studying Intermediate JavaScript
    1. Asynchronous JavaScript Course by freeCodeCamp – 1.5 hours YouTube Video
    2. Web Ninja Async playlist on YouTube Movies
      1. Asynchronous JavaScript #1 – What is Asynchronous JavaScript?
      2. Asynchronous JavaScript #2 – AJAX Requests
      3. Asynchronous JavaScript #3 – Callback Functions
      4. Asynchronous JavaScript #4 – Promises
      5. Asynchronous JavaScript #5 – Generators
    3. Web Ninja JavaScript DOM playlist on YouTube Movies
      1. JavaScript DOM Tutorial #1 – Introduction
      2. JavaScript DOM Tutorial #2 – Get Element By ID
      3. JavaScript DOM Tutorial #3 – Get Elements By Class or Tag
      4. JavaScript DOM Tutorial #4 – The Query Selector
      5. JavaScript DOM Tutorial #5 – Changing Text & HTML Content
      6. JavaScript DOM Tutorial #6 – Nodes
      7. JavaScript DOM Tutorial #7 – Traversing the DOM (part 1)
      8. JavaScript DOM Tutorial #8 – Traversing the DOM (part 2)
      9. JavaScript DOM Tutorial #9 – Events
      10. JavaScript DOM Tutorial #10 – Event Bubbling
      11. JavaScript DOM Tutorial #11 – Interacting with Forms
      12. JavaScript DOM Tutorial #12 – Creating Elements
      13. JavaScript DOM Tutorial #13 – Styles & Classes
      14. JavaScript DOM Tutorial #14 -Attributes
      15. JavaScript DOM Tutorial #15 – Checkboxes & Change Events
      16. JavaScript DOM Tutorial #16 – Custom Search Filter
      17. JavaScript DOM Tutorial #17 – Tabbed Content
      18. JavaScript DOM Tutorial #18 – DOMContentLoaded Event
    4. What is npm? A Node Package Manager Tutorial for Beginners
  3. By now, you’ll have a very good understanding of JavaScript. It’s time to begin studying the Lightning internet element.
  4. Study Lightning Net Part
    1. Use this hyperlink to signup for a free developer version org. The next movies by Salesforce Builders Staff will provide you with a good understanding of the Lightning Net Part.
      1. Getting Began with Lightning Net Part – YouTube Movies
        1. Lightning Web Components – Episode 1: An Introduction
        2. Lightning Web Components – Episode 2: Work with Salesforce Data
        3. Lightning Web Components – Episode 3: Component Communication and Aura Interoperability
        4. Lightning Web Components – Episode 4 : Security and Testing
      2. Build Lightning Web Components – Trailhead Module. Just be sure you are training each matter in your developer org.
  5. Preparation for JavaScript Developer I Examination
    1. Trailhead Code Dwell Movies
      1. Welcome to Javascript (Certification Preparation) – Part 1
      2. Welcome to Javascript (Certification Preparation) – Part 2
      3. Welcome to Javascript (Certification Preparation) – Part 3
    2. Trailmix: Prepare for your Salesforce JavaScript Developer I Credential
    3. Elective Trailhead Teacher Led Coaching – Prepare for your JavaScript Developer I Certification Exam (CRT600)

Further Sources

There are tons of blogs on the market that will help you to arrange for JavaScript Developer I examination.

  1. Passing JavaScript Developer I and what I learned along the way
  2. JavaScript practice questions by Lydia Hallie
  3. Salesforce JavaScript Developer I Certification Cheat Sheet
  4. Salesforce Troop – JavaScript Developer I certification Preparation Videos
  5. LWC Developer Guide


You probably have good hands-on expertise with all of the above matters, passing the examination shall be a cinch, and it is possible for you to to earn the much-coveted JavaScript Developer I certification! Nevertheless, in the event you do not need sufficient expertise with the JavaScript, Lightning Net Part and plan to turn out to be a JavaScript Developer I. I counsel you draw a 6-9 months plan (end the above codecademy, freeCodeCamp, Trailmix, and Teacher-led coaching) to arrange for it.

I hope that you simply discover the following tips and assets helpful. In the event you put the effort and time in, you’ll succeed. Glad finding out and good luck!

Formative Evaluation:

I wish to hear from you!

Have you ever taken the Salesforce JavaScript Developer I Certification examination? Are you getting ready for the examination now? Share your suggestions within the feedback!


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