Introduction to Scope and Hoisting in JavaScript
https://blog.webdevsimplified.com/2022-10/js-scoping/
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How to solve the problem cannot read property of undefined on Array operation in JavaScript
https://www.freecodecamp.org/news/fix-typeerror-cannot-read-property-push-of-undefined-in-javascript/
#array #scope #undefined #hoisting
https://blog.webdevsimplified.com/2022-10/js-scoping/
---
How to solve the problem cannot read property of undefined on Array operation in JavaScript
https://www.freecodecamp.org/news/fix-typeerror-cannot-read-property-push-of-undefined-in-javascript/
#array #scope #undefined #hoisting
Webdevsimplified
All 4 JavaScript Scopes Explained
There are 4 different scopes in JavaScript which each behave differently and you need to understand those differences to truly master JavaScript.