Exam prep · JS-Dev-101

Pass the Salesforce JavaScript Developer exam with confidence

Bite-size lessons, 288 original practice questions and a timed exam simulation — mapped to every objective of the exam guide.

Start learning Try the exam

questions: 60; questions
minutes: 105; minutes
to pass: 65%; to pass

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Your readiness

Answer 20 more questions to see your estimate

estimate · pass 65%

0 of 288 questions practised

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Lessons & practice24 visual lessons with questions after each one Exam simulation60 questions, 105 minutes, no hints Mistakes reviewWrong answers come back here at spaced intervals

Exam map

Seven sections, weighted like the exam

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23% of the exam · 6 topicsVariables, Types, and CollectionsNot started0 25% of the exam · 5 topicsObjects, Functions, and ClassesNot started0 17% of the exam · 4 topicsBrowser and EventsNot started0 7% of the exam · 2 topicsDebugging and Error HandlingNot started0 13% of the exam · 2 topicsAsynchronous ProgrammingNot started0 8% of the exam · 4 topicsServer Side JavaScriptNot started0 7% of the exam · 1 topicTestingNot started0 Open the full map

How it works

Pick how you study today

1
Learn
A 3-minute lesson with a diagram and the trap the exam sets.
2
Practise
Scenario questions with an explanation of every option.
3
Fix mistakes
Wrong answers come back at spaced intervals until they stick.
4
Simulate
A full timed exam with an estimated score on the official scale.