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try {
window.URL = window.URL || window.webkitURL || window.msURL
|| window.oURL;
navigator.getUserMedia = navigator.getUserMedia
|| navigator.webkitGetUserMedia
|| navigator.mozGetUserMedia || navigator.msGetUserMedia;
navigator.getUserMedia({
video : true
}, successsCallback, errorCallback);
} catch (err) {
// Tries it with old spec of string syntax
navigator.getUserMedia('video', successsCallback, errorCallback);
}
try {
window.URL = window.URL || window.webkitURL || window.msURL
|| window.oURL;
// Normalizes navigator.getUserMedia
navigator.getUserMedia = navigator.getUserMedia
|| navigator.webkitGetUserMedia
|| navigator.mozGetUserMedia || navigator.msGetUserMedia;
// Tries it with spec syntax
navigator.getUserMedia({
video : true
}, successsCallback, errorCallback);
} catch (err) {
// Tries it with old spec of string syntax
navigator.getUserMedia('video', successsCallback, errorCallback);
}
<video id="myVideo" autoplay="autoplay"></video>