var video = document.querySelector("#videoElement");
navigator.getUserMedia = navigator.getUserMedia ||
navigator.webkitGetUserMedia ||
navigator.mozGetUserMedia ||
navigator.msGetUserMedia ||
navigator.oGetUserMedia;
if(navigator.getUserMedia)
{
navigator.getUserMedia({video: true, audio: true}, handleVideo, videoError);
}
function handleVideo(stream)
{
video.src = window.URL.createObjectURL(stream);
}
function videoError(e)
{
//do somthing
}