Memory profile your JavaScript application

Transcript

1. Memory Profile your JS App Jaideep Singh
2. Memory leak
3. JavaScript Engines V8 SpiderMonkey Caracan Chakra
4. V8 (Google Chrome) Base compiler Object model Runtime profiler Optimizing compiler Deoptimization Garbage collector
5. The Garbage Collector * Picture credits: Smashing magazine
6. De-referencing misconceptions Use of delete Use of null Global variables
7. Use of delete
8. Use of null
9. Global variables
11. The Rules Scoping the variables Unbinding event listeners Cleaning cache
12. The Leaks Functions Closures Timers
13. Functions
14. Closures
15. Timers
16. Profiling your app Profiling Memory snapshots
17. Thanks! @_jaideep