【前端实时时间】JS原生代码

<p style="font-size: 18px;" id="times">have a good day</p>

<script type="text/javascript">
                    function getD1(){
                        var date=new Date();
                        var d1=date.toLocaleString();
                        var div1=document.getElementById("times");
                        div1.innerHTML = d1;
                }
                    setInterval("getD1();",1000);
  </script>