WebAssembly
WebAssembly (wasm) is a bytecode format with a formal specification.
It comprises of two formats:
- the
.wat
text format (WebAssembly Text) in S-expressions - the
.wasm
binary format 1
The wat2wasm demo is an online assembler of wasm.
Memory Model
WebAssembly features a formally-defined memory model. A WebAssembly module accesses a single “linear memory,” which functions as a flat byte array. This memory can be expanded in increments of the page size (64K), but it cannot be shrunk. ^[1]