Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <body> <p>单击此按钮可显示指定日期与 1970 年 1 月 1 日午夜之间的毫秒数。</p> <button onclick="myFunction()">试一试</button> <p id="demo"></p> <script> function myFunction() { var d = Date.UTC(2012, 02, 30); document.getElementById("demo").innerHTML = d; } </script> </body> </html>