<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>JS Bin</title>
</head>
<body>
<button id="record">record</button>
</body>
</html>
var $record = document.querySelector('#record')
$record.onclick = doRecord
var recorder
var recordedData
function doRecord () {
navigator.mediaDevices.getUserMedia({
audio: true
})
.then(function (stream) {
$record.onclick = doStop
$record.textContent = 'stop'
recordedData = []
recorder = new MediaRecorder(stream, {
mimeType: 'audio/webm; codecs=opus'
})
recorder.addEventListener('error', function (event) {
console.log('Audio Recording error', event)
})
recorder.addEventListener('dataavailable', function (event) {
if (typeof event.data === 'undefined' || event.data.size === 0) return
recordedData.push(event.data)
})
recorder.addEventListener('stop', function (event) {
var tracks = stream.getTracks()
tracks.forEach(function (track) { track.stop() })
})
recorder.start(10)
})
.catch(function (error) { console.log(error) })
}
function doStop () {
recorder.stop()
$record.textContent = 'record'
$record.onclick = doRecord
var blob = new Blob(recordedData, {
type: 'audio/webm'
})
var a = document.createElement('a')
var url = window.URL.createObjectURL(blob)
a.href = url
a.download = 'record.webm'
a.click()
document.body.appendChild(a)
// http://stackoverflow.com/questions/30694453/blob-createobjecturl-download-not-working-in-firefox-but-works-when-debugging
setTimeout(function () {
document.body.removeChild(a)
window.URL.revokeObjectURL(url)
}, 100)
}
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. |