编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> <p>Click the button to wait 3 seconds, then alert "Hello".</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { setTimeout(function(){ alert("Hello"); }, 3000); } </script> </body> </html>