| <!DOCTYPE html> |
| <html> |
| <head> |
| <script type="text/javascript"> |
| // Demonstrates how the navigator.mediaDevices api can be used |
| // for querying media capture devices. |
| const mediaDevices = navigator.mediaDevices; |
| |
| function intervalCallback() { |
| mediaDevices.enumerateDevices() |
| .then((sequenceMediaDevices) => { |
| let strValue = "\nFound " + sequenceMediaDevices.length |
| + " media devices: \n"; |
| let i = 0; |
| for (let device of sequenceMediaDevices) { |
| strValue += " device[" + i + "].kind: " + device.kind + "\n"; |
| strValue += " device[" + i + "].label: " + device.label + "\n"; |
| i++; |
| } |
| console.log(strValue); |
| }) |
| .catch((msg) => console.log( |
| "Exception happened while enumerating devices, reason: " + msg)); |
| } |
| |
| window.setInterval(intervalCallback, 500); |
| </script> |
| </head> |
| |
| <body> |
| </body> |
| </html> |
