javascript current time

Title

$(document).ready(function(){
                times = new Date();
		var audios = document.getElementById('input-audio');
	
		var my_days=  (times.getYear() - 100)+'-'+(times.getMonth()+1)+'-' + times.getDate();
	
		var hour = audios.duration/60;
		
		hour = Math.floor(hour);
		
		var calcul  = 60* hour;
		
		var minu = audios.duration - calcul;
		
		minu = Math.floor(minu);
		
		if(minu <= 10){
			minu = '0' + minu;
		}
	
		var dur = hour +":" + minu;
                alert(dur);

});