用戶:Spaghet-Ti/沙盒/JS維基百科,自由的 encyclopedia <html> <header> <title>JavaScript/HTML test</title> </header> <body> <script> alert("Hello, world!") </script> </body> </html>
<html> <header> <title>JavaScript/HTML test</title> </header> <body> <script> alert("Hello, world!") </script> </body> </html>