SMRTR ProgrammingNov 9, 2024Dev.to

40 Frontend Developer Interview Questions

SMRTR summary

JavaScript variables var, let, and const differ in scope and reassignment rules. Var is function-scoped and can be redeclared, let is block-scoped and updateable, while const is block-scoped and cannot be changed after declaration. Using let and const helps prevent common scope-related bugs.

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