WebAssembly is a specification for an instruction set that can be run on a machine. In our case, this machine is virtual. To comprehend how this translates into native speed applications and why the instructions are written the way they are, we need to have a basic understanding of how a program functions inside our computer. To understand WebAssembly, we will look at the following topics:

• Understanding the flow of a basic program
• Setting up our environment to code WebAssembly