What are JavaScript engines and how do they work?
JavaScript engines are programs that execute JavaScript code. They convert the code into machine code that the computer can understand.
Can you explain how the V8 engine works?
The V8 engine, developed by Google, compiles JavaScript directly to native machine code using just-in-time (JIT) compilation, which improves performance.
What are the differences between V8 and SpiderMonkey?
V8 is known for its speed and efficiency, while SpiderMonkey, developed by Mozilla, focuses on compliance with JavaScript standards and features.
How do JavaScript engines optimize code execution?
They use techniques like JIT compilation, garbage collection, and inline caching to optimize performance and reduce execution time.
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