Performance Patterns

Explore performance optimization techniques for JavaScript in this 40-minute conference talk from JSConfEU 2010. Dive into various patterns and strategies, including JavaScript placement, defer and async attributes, progressive rendering, script injection, HTTP chunking, and preloading. Learn about speeding up code execution through local variables, localization, init-time branching, and efficient loop handling. Gain insights into benchmarking methods and discover how to compare different approaches for optimal performance. Enhance your understanding of JavaScript performance patterns to create faster, more efficient web applications.

Intro
About me
Results
Quarters
Benchmarks
JavaScript blocks
JavaScript at the bottom
defer and async timeline
flush() early
Progressive rendering
Script injection patterns
HTTP chunking: not only HTML
Preload sans execute
Speeding Up
Local variables
Localization
Init-time branching
Regex loops
Cashing lengths in loops
How bad is A compared to B?
Proxy pattern