cbscreen is a cross-browser screenshare library
<!DOCTYPE html>
<head>
<title>Example</title>
</head>
<body>
<script src="https://unpkg.com/cbscreen@latest/index.js"></script>
<script>
let screen = new cbscreen.ScreenShare();
screen
.enableAudio()
.enableVideo()
.start()
.then(x => {
console.log(x); // x is an mediastream
})
</script>
</body>- Chrome
- Firefox (Not tested, but should work)
- Opera (Should work as it uses chromium)
- Safari (Not tested)