<!DOCTYPE html>charset="utf-8"W3Cschool教程(w3cschool.cn)id="demo"单击按钮来显示设置后UTC毫秒后的UTC毫秒。onclick="myFunction()"点我function myFunction(){var d = new Date();d.setUTCMilliseconds(192);var x = document.getElementById("demo");x.innerHTML=d.getUTCMilliseconds();}