Modernizing JavaScript: Replacing Lodash Get with Optional Chaining — PickAClass
⏱ 3h 📚 30 lessons 🎧 Audio version

Modernizing JavaScript: Replacing Lodash Get with Optional Chaining

Clean up your codebase and reduce external dependencies by mastering native JavaScript optional chaining and nullish coalescing.

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About this course

Relying on heavy utility libraries for simple object property access is a thing of the past. Modern JavaScript provides powerful built-in features that make your code cleaner, faster, and dependency-free. In this course, you will learn how to transition from using legacy utility methods like Lodash's get to native JavaScript optional chaining and nullish coalescing syntax. You will understand how to safely navigate deeply nested objects, handle missing data, and write modern, readable code without bloating your application's bundle size. What you'll learn: Understand the fundamental concepts of safe navigation in nested JavaScript objects; Replace the Lodash get utility with native optional chaining syntax; Apply nullish coalescing operators to provide robust default values; Refactor legacy codebases to remove unnecessary external dependencies; Handle complex edge cases like array indexing and dynamic property lookup safely; Practice reading and writing modern, clean, and highly readable JavaScript code. Starting with foundational definitions of nested object structures, you will progress through step-by-step written explanations and practical refactoring exercises that compare legacy utility patterns with modern native solutions. This course is designed for beginner to intermediate JavaScript developers who want to modernize their coding style and optimize their applications. No prior experience with utility libraries is required. Start reading today to write cleaner, faster, and more modern JavaScript.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • ⚡ Short & focused
    3h of practical content

Certificate of completion

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Modernizing JavaScript: Replacing Lodash Get with Optional Chaining
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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