1：精确到秒
<!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>JS获取当前时间戳的方法</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script> <script src="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> --> </head> <body> </body> <script type="text/javascript"> var timestamp = Date.parse(new Date()); console.log(timestamp) </script> </html>在浏览器打印
2：精确到毫秒
<!DOCTYPE HTML> <html xmlns:th="http://www.thymeleaf.org"> <head> <title>JS获取当前时间戳的方法</title> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- <link rel="stylesheet" href="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/css/bootstrap.min.css"> <script src="https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js"></script> <script src="https://cdn.bootcss.com/twitter-bootstrap/4.3.1/js/bootstrap.min.js"></script> --> </head> <body> </body> <script type="text/javascript"> var timestamp = (new Date()).valueOf(); console.log(timestamp) </script> </html>