Sean Reece
Software Engineer @ Qlik
@SeanReece
Benchmarking JS
with React
We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil. Yet we should not pass up our opportunities in that critical 3%.
premature optimization is the root of all evil.
When do I optimize?
- Optimize only when it makes sense
- Don't sacrifice simplicity/readability
- Measurable
JSprf.com
JavaScript Performance
Why
JSperf.com offline
Writing benchmarks in NodeJS REPL
How
Monaco Editor
Used by VS Code
IntelliSense
Dynamic import() 🔥
Stage 3 proposal
import modules at runtime
Chrome / Safari 👍
Firefox 👎
Benchmark.js
A benchmarking library that supports high-resolution timers & returns statistically significant results.
Thanks! 👋
github.com/SeanReece/jsprf.com
Contribute / Issues
Sean Reece Software Engineer @ Qlik @SeanReece