What is webassembly?

Question

Today i just read an article sayed that there was javascript alternative called Webassembly. They say it work's faster than javascript, right now wasm supports 4 browser's chrome, mozzila, EDGE, and safari. I wonder where can i learn wasm
https://medium.com/young-coder/what-replaces-javascript-a6493b4e2d6e

Answer 1

WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable target for compilation of high-level languages like C/C++/Rust, enabling deployment on the web for client and server.
in basic terms: (it's an Assembler for your main browser)