Home
JS
JS
Tryit: JAVASCRIPT
运行 ❯
×
Change Orientation
Change Theme, Dark/Light
<!DOCTYPE html> <html> <head> <script> function displayDate() { document.getElementById("demo").innerHTML = Date(); } </script> </head> <body> <h2>我的第一个 JavaScript</h2> <p id="demo">这是一个段落。</p> <button type="button" onclick="displayDate()">显示日期</button> </body> </html>