Detecting Camera using Jquery or Javascript

Question

i am using photobooth js its working fine on localhost but when i am using on live server i am getting error **Please give Photobooth to use your Webcam. Try again in Google Chrome. Please let me know how can i resolve this problem.

Javascript

$( '#example' ).photobooth().on( "image", function( event, dataUrl ){
    $( "#gallery" ).show().html( '<img src="' + dataUrl + '" ><input type="hidden" id="imgdata" value="' + dataUrl + '" >');
});