js 当前时间刷新

<p>每隔1秒钟，打印当前时间</p>
   
<div id="time"></div>
   
<script>
   
function printTime(){
  var d = new Date();
  var h= d.getHours();
  var m= d.getMinutes();
  var s= d.getSeconds();
  document.getElementById("time").innerHTML= h+":"+m+":"+s;
   
}
   
var t = setInterval(printTime,1000);
   
</script>
 
<br><br>