The Story behind let, const, var keywords in JavaScript - JavaScript Scopes - Variable Declarations
tapaScript by Tapas Adhikary
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Learn Programming fundamentals, Full-stack concepts, and Web Development using JavaScript, ReactJS, Next.js, and its ecosystems. Hello Developers, Welcome to tapaScript 👋. SUBSCRIBE to the channel so that you do not miss the in-depth learning experience. I am your teacher Tapas Adhikary, a developer passionate about UI, UX, Web Development, JavaScript, React, Next.js, Nodejs, Open Source, and FullStack engineering. I have dealt with code and computers since 2000, when I got into Computer Science and Engineering. Since 2004, the last 19 years have been an outstanding journey for me, learning and building production-ready software. I am on YouTube to teach you all I have gathered over these years. My passion for teaching, content creation, and building Open Source communities taught me about building and learning in public. I have been creating written content on my blog "GreenRoots Blog', FreeCodeCamp, CSS-Tricks, and other publications. Let's GO. SUBSCRIBE and JOIN.
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The keywords let, const, and var are widely spoken topics of JavaScript. Still, they are best explained with JavaScript Scope and two more fundamental aspects. This video is for JavaScript beginners to understand these keywords. Timecodes 0:00 - Introduction 00:57 - Variable Declarations in JavaScript 03:04 - What is Scope in JavaScript and types? 05:07 - Block Scope and let, const, var 07:48 - Function Scope and let, const, var 09:35 - Global Scope and let, const, var 12:03 - let, const, var keywords and reassignments 13:28 - const keyword and JavaScript Object 15:41 - Access variable before declaring 17:43 - Conclusions Blog: https://blog.greenroots.info/ Twitter: https://twitter.com/tapasadhikary LinkedIn: https://www.linkedin.com/in/tapasadhikary GitHub: https://github.com/atapas You can support my work by following me on the above platforms and/or sponsoring me using any of these links. - https://blog.greenroots.info/sponsor - https://buymeacoffee.com/greenroots - https://paypal.me/greenrootsinfo Many Thanks 🙏
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