diswasm

WASM analysis workbench

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Theme

Local-first parsing. No automatic module execution.

self-hosted mode

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WebAssembly From First Principles WASM Compared With Flash And Plugins

Runtime

Runtime And VM Concepts Blob, ArrayBuffer, Fetch, And Streaming Linear Memory WASM Written In WASM Tables, Dynamic Dispatch, And References Modules, Instances, Imports, And Exports Globals And String Constants Runtime Interaction And Inspection ESM-Style WASM Loading WASM With Web APIs Threads

Compilation

Languages That Compile To WebAssembly Emscripten And JavaScript Glue

Binary

Binary Format And Module Structure

Security

Signing, Integrity, And Encryption

WAT

WAT And S-Expressions Stack Machine Model Function Syntax Types And Function Types Function Calls Imports Memory In WAT Memory And JavaScript Higher-Order Concepts String Examples And Base64 Scaffold

JavaScript API

JavaScript WebAssembly Namespace WebAssembly.Module WebAssembly.Global WebAssembly.Instance WebAssembly.Memory WebAssembly.Table Exceptions And Tags Compile, Link, And Runtime Errors

Binary Format

Reading WebAssembly Opcodes

JavaScript API

WebAssembly.Instance

Instance creation, exports, imports, running state, calls, and inspection.

instancejavascriptstable

`WebAssembly.Instance` pairs a compiled module with imports and runtime state. Its `.exports` object exposes functions, memories, tables, and globals.

References

WebAssembly.Instance