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Exploring WebAssembly (WASM)

Introduction to WebAssembly WASM

Section Summary

In this lesson, you’ll get a comprehensive overview of WebAssembly (Wasm), understand how it integrates with modern web applications, and see how it compares to JavaScript. By the end of this section, you will:

  • Discover What WebAssembly Is: Core concepts, binary format, and browser integration.
  • Explore Key Benefits & Use Cases: Performance gains, cross-language support, and real-world scenarios.
  • Compare Wasm vs. JavaScript: Strengths, ideal workflows, and when to choose each technology.

The image is a summary slide with a gradient background, listing three points about WebAssembly: its definition and role, benefits and use cases, and a comparison with JavaScript.

Quiz Ahead

A short quiz follows this section to reinforce your understanding of Wasm fundamentals, its advantages, and how it complements JavaScript.

AspectWebAssemblyJavaScript
PerformanceNear-native execution speedInterpreted with JIT compilation
Supported LanguagesRust, C/C++, Go, and moreECMAScript only
Ideal Use CasesCompute-intensive tasks, games, multimediaUI interactions, event-driven logic
Browser SupportAll major browsersAll major browsers

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WebAssembly vs JavaScript
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WebAssembly Architecture