Perf the web forward!
summary
Concrete, actionable fixes and measured wins: use createCallback hoists .call out of loops to make the no-context common case a straight call, use function source detection to avoid bind when a callback never references this, replace repeated indexOf searches with a hybrid object/array cache cuts large-array threshold to 75 (previously ~200) for big wins, and prefer deferred evaluation for long chains so iteration drops to the few final items. Benchmarks use jsperf / benchmark.js and jQuery event iteration shows ~18% improvement with these tweaks.
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chapters (8)
- 0:00Intro
- 0:21Perf The Web Forward
- 4:27Hoist call & apply
- 9:51Avoid binding
- 14:12Reduce searches
- 19:35Coerce with Care
- 23:00Sugar in moderation
- 26:53John-David Dalton
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