Understanding WebAssembly: Modules, Binary and Text Formats, and a Hands‑On Example
This article provides a comprehensive overview of WebAssembly, covering its core concepts such as modules, types, variables, functions, instructions, traps, tables, and linear memory, explains the binary module structure and sections, details the human‑readable text format with S‑expressions and lexical rules, and walks through a step‑by‑step example of writing, compiling, and invoking a simple WebAssembly module.
