Why can you access 'var' before declaration but 'let' and 'const' throw a ReferenceError? 🤯 It's all about the Temporal Dead Zone (TDZ). In this reel, I break down the Execution Context to show you exactly how JavaScript allocates memory for variables. You'll learn why var gets undefined while let and const get trapped in the TDZ during the loading phase. 👇 Please grab the link to the full Masterclass on Execution Context from the comment section. | Sumit Saha
3:00
Why can you access 'var' before declaration but 'let' and 'const' throw a ReferenceError? 🤯 It's all about the Temporal Dead Zone (TDZ). In this reel, I break down the Execution Context to show you exactly how JavaScript allocates memory for variables. You'll learn why var gets undefined while let and const get trapped in the TDZ during the loading phase. 👇 Please grab the link to the full Masterclass on Execution Context from the comment section. | Sumit Saha
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