SMRTR ProgrammingMar 26, 2025Dev.to

Temporal Dead Zone in JavaScript: WTF Is It & Why Should You Care?

SMRTR summary

JavaScript's Temporal Dead Zone (TDZ) prevents using let and const variables before declaration, unlike var. This feature helps catch bugs early and promotes cleaner code by forcing developers to declare variables before use, resulting in more predictable and reliable JavaScript programs.

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