[Untranslated] Why Dynamic Invocation?

We saw in the first chapters that we could easily write our own JavaScript functions by hand in our .js files, so why dynamically create functions?

• Most people come to WebAssembly to escape JavaScript. Dynamic creation of JavaScript functions allow us to use libraries in our native language that do the hard part of dynamically creating their bindings without everyone having to recreate the wheel.
• Simplifies our setup and bootstrapping of our WebAssembly module to a bare minimum. We only need the ability to register new functions and call those new functions instead of specifying a litany of hand written JavaScript functions.
• It's difficult for JavaScript to know what dependencies your module needs, by allowing the WebAssembly program to create its own functions it creates only exactly what it needs.