September 2018
Intermediate to advanced
328 pages
9h 10m
English
Content preview from Learn WebAssembly
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Calling functions from a WebAssembly instance
We demonstrated how to call a function in a Wasm instance from JavaScript in the previous chapter, but that was assuming you instantiated a module in the browser with no glue code. Emscripten provides the ability to call functions from the Wasm instance as well. After a module is instantiated, you call functions by invoking them from the instance.exports object, which is accessible from the result of the resolved Promise. MDN's documentation provides the following function signature for WebAssembly.instantiateStreaming:
Promise<ResultObject> WebAssembly.instantiateStreaming(source, importObject);
You may need to use the WebAssembly.instantiate() method, depending on your browser. Chrome currently ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.