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fabric0de/README.md

πŸ‘‹ Hello! I'm JungHyeon

Welcome! Every day you'll see a new development quiz here to challenge your skills. Check back daily to test yourself and learn something new!

🧩 Today's Development Quiz

This quiz is generated daily by AI

❓ What is the purpose of the 'this' keyword in JavaScript?

🟑 intermediate β€’ 🏷️ javascript es6 functions classes prototypalinheritance context closure proxy β€’ πŸ“… 20251207


πŸ’‘ Show Answer

The 'this' keyword refers to the current object in a specific scope.

It can also be used to access global objects and their properties.

In a function, 'this' refers to the function object.

It can be overridden using 'bind' or 'call' methods.

In an arrow function, 'this' refers to the global object.

It can also be used as a context for 'new' keyword.

It can be used to create a closure.

It can be used to create a proxy.

It can be used to implement prototype inheritance.

It can be used to implement the 'hasOwnProperty' method.

It can be used to implement the 'isPrototypeOf' method.

In a class, 'this' refers to the instance of the class.


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