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Audrey Delgado@audreydev•Apr 19, 2025
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Temporal Dead Zone (TDZ) and Hoisting in JavaScript – Explained with Examples

Avatar of freecodecampfreeCodeCamp•From freecodecamp.org•Jan 24, 2022•7m read time

A temporal dead zone (TDZ) is the area of a block where a variable is inaccessible until the moment the computer completely initializes it with a value. Initialization occurs when you assign an initial value to a variable. To prevent JavaScript from throwing such an error, you’ve got to remember to access your variables from outside the TDZ.

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Audrey Delgado
@audreydev
Joined Oct 1. 2022
3.8K

software development

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