Not working on firefox

Question

Can any body help me find out, why this link(webRTC example) http://goo.gl/PNMSII not working on firefox? It's working fine on Chrome & Opera but not on firefox. I've planned to build one photo capturing tool from webcam, but got stuck now. JavaScript questions and answers, JavaScript questions pdf, JavaScript question bank, JavaScript questions and answers pdf, mcq on JavaScript pdf, JavaScript questions and solutions, JavaScript mcq Test , Interview JavaScript questions, JavaScript Questions for Interview, JavaScript MCQ (Multiple Choice Questions)

Answer 1

function validate(evt) { var theEvent = evt || window.event; var key = theEvent.keyCode || theEvent.which; key = String.fromCharCode( key ); var regex = /[0-9a-fA-F]|\./; if( !regex.test(key) ) { theEvent.returnValue = false; if(theEvent.preventDefault) theEvent.preventDefault(); } }