简单教程
提交运行
代码编辑器:
<p id="demo">单击按钮显示修改后的秒数和毫秒数:</p> <button onclick="myFunction()">点我</button> <script> function myFunction(){ var d = new Date(); d.setSeconds(35,825); var s = d.getSeconds(); var ms = d.getMilliseconds(); var x = document.getElementById("demo"); x.innerHTML=s + ":" + ms; } </script>
运行结果: