<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>WASM Test</title>
</head>
<body>
<script>
function fetchAndInstantiateWasm (url, imports) {
return fetch(url)
.then(res => {
if (res.ok)
return res.arrayBuffer();
throw new Error(`Unable to fetch Web Assembly file ${url}.`);
})
.then(bytes => WebAssembly.compile(bytes))
.then(module => WebAssembly.instantiate(module, imports || {}))
.then(instance => instance.exports);
}
fetchAndInstantiateWasm(
'https://rawgit.com/ArvinH/975d9090903254aa58d72d7e8b9f07ab/raw/'+
'348daa555fa4f1e90c23550858ca506628518644/readMemory.wasm', {})
.then(m => {
const memory = m.memory;
const strBuf = new Uint8Array(memory.buffer, m.getStrOffset(), 11);
const str = new TextDecoder().decode(strBuf);
console.log(str);
});
</script>
</body>
</html>
<!doctype html>
<title>WASM Test</title>
<script>
function fetchAndInstantiateWasm (url, imports) {
return fetch(url)
.then(res => {
if (res.ok)
return res.arrayBuffer();
throw new Error(`Unable to fetch Web Assembly file ${url}.`);
})
.then(bytes => WebAssembly.compile(bytes))
.then(module => WebAssembly.instantiate(module, imports || {}))
.then(instance => instance.exports);
}
fetchAndInstantiateWasm('https://gist.githubusercontent.com/ArvinH/0fad6bf2a8e60b4906a7b8b4b99935d9/raw/56162e1c77ae7542c88af4ff8dbb8ddbdfd070ef/add.wasm', {
env: {
consoleLog: num => console.log(num)
},
test: {
log: console.log
}
})
.then(m => {
console.log(m.add(5));
});
</script>
Output
You can jump to the latest bin by adding /latest
to your URL
Keyboard Shortcuts
Shortcut | Action |
---|---|
ctrl + [num] | Toggle nth panel |
ctrl + 0 | Close focused panel |
ctrl + enter | Re-render output. If console visible: run JS in console |
Ctrl + l | Clear the console |
ctrl + / | Toggle comment on selected lines |
ctrl + ] | Indents selected lines |
ctrl + [ | Unindents selected lines |
tab | Code complete & Emmet expand |
ctrl + shift + L | Beautify code in active panel |
ctrl + s | Save & lock current Bin from further changes |
ctrl + shift + s | Open the share options |
ctrl + y | Archive Bin |
Complete list of JS Bin shortcuts |
JS Bin URLs
URL | Action |
---|---|
/ | Show the full rendered output. This content will update in real time as it's updated from the /edit url. |
/edit | Edit the current bin |
/watch | Follow a Code Casting session |
/embed | Create an embeddable version of the bin |
/latest | Load the very latest bin (/latest goes in place of the revision) |
/[username]/last | View the last edited bin for this user |
/[username]/last/edit | Edit the last edited bin for this user |
/[username]/last/watch | Follow the Code Casting session for the latest bin for this user |
/quiet | Remove analytics and edit button from rendered output |
.js | Load only the JavaScript for a bin |
.css | Load only the CSS for a bin |
Except for username prefixed urls, the url may start with http://jsbin.com/abc and the url fragments can be added to the url to view it differently. |