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32 changes: 32 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -333,6 +333,9 @@ Lexical Scope: Refers to how variable access is determined based on the physical
- [JavaScript Block scope vs Function scope - nivek](https://www.youtube.com/watch?v=IaTztAtoNEY)
- [Lexical scoping in javascript - Hitesh Choudhary](https://www.youtube.com/watch?v=qT5S7GgIioE)
- [Modern Scope Handling in JavaScript (ES6 and Beyond) -Prashant Dewangan ](https://www.youtube.com/watch?v=zMseUdOR7z8)
Additional Resource:- 📑💻
- [Global and local scope in javascript | chai aur #javascript -Chai Aur Code ](https://youtu.be/cHHU0jXfjKY?si=jbMks9iRauJCYygC)
- [Lexical scoping and closures in javascript | chai aur #javascript -Chai Aur Code ](https://youtu.be/VaH09NXQZ58?si=eTX90Y81GvccMB_g)

**[⬆ Back to Top](#table-of-contents)**

Expand Down Expand Up @@ -848,6 +851,35 @@ The Event Loop is a critical part of JavaScript's concurrency model, ensuring no
- [CLOSURES en JavaScript: Qué son y cómo funcionan - Carlos Azaustre](https://youtu.be/xa8lhVwQBw4)
- [Learn Closures In 7 Minutes - Web Dev Simplified](https://www.youtube.com/watch?v=3a0I8ICR1Vg)

Here is a simple but efficient eample of javascript closures (Code):-

//Counter function here

function createCounter(){
let count = 0; //private variable, can't be accessed outside this function
return {
increment: function(){
count++;
console.log(`Count after increment: ${count}`);
},
decrement: function(){
count--;
console.log(`Count after decrement: ${count}`);
},
getValue: function(){
return count;
}
};
}

// now using this
const counter = createCounter(); // holding the function in another variable
counter.increment(); // Count after increment: 1
counter.increment(); // Count after increment: 2
counter.decrement(); // Count after decrement: 1
console.log(`Final count: ${counter.getValue()}`); // Final count: 1

Wrapping up:- The data (here count) remains persistent and protected, while still it can be maipulated through controlled functions

**[⬆ Back to Top](#table-of-contents)**

Expand Down