Java - Frontend - FAQs - Part 2
Java – Frontend - Topic wise FAQs Advanced JavaScript 1. What are the key differences between JavaScript and other programming languages? 2. Explain the concept of closures in JavaScript and how they are used. 3. How would you handle asynchronous operations in JavaScript using callbacks or promises? 4. What is the purpose of the "this" keyword in JavaScript, and how does its value change based on context? 5. How would you handle errors and exceptions in JavaScript using try-catch blocks? 6. Explain the difference between "undefined" and "null" in JavaScript. 7. How would you create and manipulate JavaScript objects and arrays? 8. What is event delegation in JavaScript, and how would you implement it? 9. Explain the concept of hoisting in JavaScript and how it affects variable and function declarations. 10. How would you use JavaScript modules to organize and share code? Shopping Cart Application 1. Scenario: Adding Items to the Cart • How would you impl...