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Explore the advanced optimization techniques employed by Scala.js to achieve runtime performance comparable to hand-written JavaScript in this 54-minute conference talk from Scala Days New York 2016. Delve into typical Scala.js code snippets and examine how the optimizer transforms them, gaining insights into optimizable patterns and current limitations. Learn key strategies for writing efficient Scala.js code, including the surprising efficiency of idiomatic Scala constructs like for loops and map/filter operations. Discover the power of closure elimination and the Scala optimizer while following along with benchmarks, generative code examples, and speed tests. Suitable for those familiar with Scala and able to read JavaScript, this talk requires no compiler knowledge and focuses on source code level optimizations.
