WebAssembly is something that, at the time of writing, everyone is talking about. It was first introduced in 2015. Essentially, the principle is that your browser (WebAssembly is supported by all the major browsers) can run a type of compiled code (previously, you were limited to just JavaScript).
The following link shows browser support for WebAssembly: https://caniuse.com/#feat=wasm.
Firefox, Chrome, Edge, and Safari all support it. It's worth noting that some of the older browsers (for example, IE) don't support it, so if you're writing something that needs to be compatible with these older browsers, you may have to resort to more traditional JavaScript.
The question you may initially ask yourself is: why should I care? Hopefully, this appendix will cover the reasons why WebAssembly is braced to take over the web in the next few years.
We'll...