Stefan Schöberl

WebAssembly: Disassembled

How does WebAssembly actually work? Go beyond compilers and see its stack machine and raw text format in action, live-coded from scratch.

WebAssembly: Disassembled
#1about 2 minutes

What WebAssembly is and its role on the web

WebAssembly is a W3C standard that complements JavaScript for performance-heavy tasks while running in the same security sandbox.

#2about 3 minutes

The architecture of a WebAssembly module

A WebAssembly module interacts with an external environment like JavaScript through imports and exports for functions, memory, and global variables.

#3about 1 minute

Binary (.wasm) versus textual (.wat) representation

WebAssembly modules have an interchangeable binary format (.wasm) for execution and a human-readable textual format (.wat) for debugging.

#4about 4 minutes

How the WebAssembly stack machine execution model works

WebAssembly uses a stack machine for execution, where instructions manipulate values on a stack to perform computations.

#5about 5 minutes

Live coding a recursive Fibonacci function in .wat

A live coding demonstration shows how to implement the recursive Fibonacci algorithm using WebAssembly's textual format (.wat).

#6about 4 minutes

How to implement loops using block and loop statements

WebAssembly constructs loops using structured block and loop statements with indexed labels for branching, which replace traditional goto statements.

#7about 5 minutes

Live coding how to find the maximum value in an array

This live coding example demonstrates how to iterate through an array in memory to find its maximum value using WebAssembly bytecode.

#8about 2 minutes

Q&A on modules, security, and language recommendations

The speaker answers audience questions about connecting multiple modules, using WebAssembly for secure software supply chains, and the best languages to start with.

Related jobs
Jobs that call for the skills explored in this talk.

Matching moments

Answering common questions about WebAssembly
09:44 MIN

Answering common questions about WebAssembly

Wasm Deep Dive - A Glance Behind the Scenes

Navigating the WebAssembly ecosystem and foundations
05:41 MIN

Navigating the WebAssembly ecosystem and foundations

WebAssembly: The Next Frontier of Cloud Computing

Understanding the original design goals of WebAssembly
04:49 MIN

Understanding the original design goals of WebAssembly

The Future of Cloud is WebAssembly

The core components of the WebAssembly ecosystem
02:40 MIN

The core components of the WebAssembly ecosystem

WebAssembly: The Next Frontier of Cloud Computing

Defining WebAssembly and its original design goals
05:41 MIN

Defining WebAssembly and its original design goals

Fun with PaaS – How to use Cloud Foundry and its uniqueness in creative ways

How .NET applications execute on WebAssembly
01:25 MIN

How .NET applications execute on WebAssembly

Using WebAssembly to run, extend, and secure your application

How WebAssembly works as a universal compilation target
05:42 MIN

How WebAssembly works as a universal compilation target

WebAssembly Revolution: Elevating JavaScript's Reach and Performance

Taking WebAssembly beyond the browser with WASI
03:13 MIN

Taking WebAssembly beyond the browser with WASI

Using WebAssembly to run, extend, and secure your application

Featured Partners

Related Videos

See all videos
Wasm Deep Dive - A Glance Behind the Scenes
57:45

Wasm Deep Dive - A Glance Behind the Scenes

Rainer Stropek

WebAssembly Revolution: Elevating JavaScript's Reach and Performance
30:57

WebAssembly Revolution: Elevating JavaScript's Reach and Performance

Önder Ceylan

Using WebAssembly to run, extend, and secure your application
25:08

Using WebAssembly to run, extend, and secure your application

Niels Tanis

WebAssembly: The Next Frontier of Cloud Computing
30:58

WebAssembly: The Next Frontier of Cloud Computing

Edoardo Dusi

WebAssembly: The Next Frontier of Cloud Computing
57:32

WebAssembly: The Next Frontier of Cloud Computing

Edoardo Dusi

The Future of Cloud is WebAssembly
29:49

The Future of Cloud is WebAssembly

Matt Butcher

Using WebAssembly for in-database Machine Learning
58:53

Using WebAssembly for in-database Machine Learning

Akmal Chaudhri

Rust Beyond Systems: Revolutionizing Web Development
30:10

Rust Beyond Systems: Revolutionizing Web Development

Patrick Koss

Related Articles

View all articles
Luis Minvielle
The Best Upcoming IT Webinars
Now that you already know what IT webinars are and how they can help you level up your professional appeal, you might want actually to get into one. Live tech webinars are one of the best ways to stay on top of the latest trends and tools because eit...
The Best Upcoming IT Webinars
Chris Heilmann
WWC24 Talk - Scott Hanselman - AI: Superhero or Supervillain?
Join Scott Hanselman at WWC24 to explore AI's role as a superhero or supervillain. Scott shares his 32 years of experience in software engineering, discusses AI myths, ethical dilemmas, and tech advancements. Engage with his live demos and insights o...
WWC24 Talk - Scott Hanselman - AI: Superhero or Supervillain?
Chris Heilmann
All the videos of Halfstack London 2024!
Last month was Halfstack London, a conference about the web, JavaScript and half a dozen other things. We were there to deliver a talk, but also to record all the sessions and we're happy to share them with you. It took a bit as we had to wait for th...
All the videos of Halfstack London 2024!
Sead Ahmetovic
Sir Tim Berners-Lee – the genius behind the World Wide Web
We are sure Sir Tim Berners-Lee does not need a lot of introduction. The man behind the World Wide Web and HTML is well-known not only in developer circles but amongst general masses as well. However, to show appreciation and joy for having Sir Tim a...
Sir Tim Berners-Lee – the genius behind the World Wide Web

From learning to earning

Jobs that call for the skills explored in this talk.

Frontend-Entwickler

Frontend-Entwickler

infomax websolutions GmbH
Grassau, Germany

Intermediate
Senior
CSS
HTML
JavaScript
TypeScript