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JavaScript uses prototypal inheritance under the hood. Every object has an internal link to another object called its .
The engine executes the code line by line. It assigns values to variables and executes function calls using the Call Stack . 2. Explain Hoisting with var , let , and const It assigns values to variables and executes function
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function createCounter() let count = 0; // Private variable return increment: function() count++; return count; , decrement: function() count--; return count; ; const counter = createCounter(); console.log(counter.increment()); // 1 console.log(counter.increment()); // 2 // count cannot be accessed or modified from the outside directly Use code with caution. 4. Fix the famous setTimeout in a for loop issue