- Popularity. …
- Interoperability. …
- Server Load. …
- Gives the ability to create rich interfaces.
Is SpiderMonkey better than V8?
V8 is the fastest, because it compiles all JS to machine code. SpiderMonkey (what FF uses) is fast too, but compiles to an intermediate byte-code, not machine code. That’s the major difference with V8.
Why V8 engine is fast?