| metaTitle | description | navbar | sidebar | editLink | pageClass |
|---|---|---|---|---|---|
AssemblyScript |
A TypeScript-like language for WebAssembly |
false |
false |
false |
frontpage |
AssemblyScript targets WebAssembly's feature set specifically, giving developers low-level control over their code.
Its similarity with TypeScript makes it easy to compile to WebAssembly without learning a new language.
#!runtime=stub
/** Calculates the n-th Fibonacci number. */
export function fib(n: i32): i32 {
var a = 0, b = 1
if (n > 0) {
while (--n) {
let t = a + b
a = b
b = t
}
return b
}
return a
}
#!html
<textarea id="output" style="height: 100%; width: 100%" readonly></textarea>
<script type="module">
const exports = await instantiate(await compile(), { /* imports */ })
const output = document.getElementById('output')
for (let i = 0; i <= 10; ++i) {
output.value += `fib(${i}) = ${exports.fib(i)}\n`
}
</script>
AssemblyScript is free and open source software released under the Apache License, Version 2.0, builds upon Binaryen and is based on the WebAssembly specification. It is brought to you by the following awesome people:
Most of the maintainers and contributors do this open source work in their free time. If you use AssemblyScript for a serious task or plan to do so, and you'd like us to invest more time on it, please donate to our OpenCollective. By sponsoring this project, your logo will show up below. Thank you so much for your support!
If you have questions only a human can answer, would like to show others what you are working on or just want to hang out with other AssemblyScript folks, make sure to join our Discord server! There you'll find channels for #announcements, #help, and more.