If you are walking down the lanes of Ameerpet—the Silicon Valley of Hyderabad—you will see thousands of students carrying laptops and printouts. The one question that echoes in every coaching center is: "Where can I get the best JavaScript notes?"
How would you create a private variable in JavaScript? Answer in notes: Use closure (as above) or use # private fields (ES2022). javascript notes pdf ameerpet better
By: Ameerpet Tech Insights
// Real Use Case (Data Hiding) function counter() { let count = 0; return { increment: () => ++count, decrement: () => --count, getCount: () => count }; } const myCounter = counter(); console.log(myCounter.increment()); // 1 console.log(myCounter.increment()); // 2 // 'count' is private. Cannot access it directly. If you are walking down the lanes of
