Frequently Asked Questions (FAQ) About JavaScript

Intermediate

❓ JavaScript FAQ

Q1: Is JavaScript the same as Java?

🅰️ No. Despite similar names, JavaScript and Java are separate languages with different syntax and use cases.

Q2: Can JavaScript run outside browsers?

🅰️ Yes. With environments like Node.js, JavaScript can operate on servers and in command-line tools.

Q3: What are closures in JavaScript?

🅰️ Closures are functions that retain access to variables from their defining scope, enabling data encapsulation.

Q4: How do I troubleshoot JavaScript code?

🅰️ Use browser devtools, console logs, and debugging tools to inspect and step through code execution.

Q5: What is the future of JavaScript?

🅰️ It continues evolving with new ECMAScript standards, improving language features, performance, and ecosystem capabilities.