編輯代碼:
查看結果 »
試一試 - ©
w3ii.com
<!DOCTYPE html> <html> <head> <script> function myFunction(x) { x.style.background = "yellow"; } </script> </head> <body> Enter your name: <input type="text" onfocus="myFunction(this)"> <p>When the input field gets focus, a function is triggered which changes the background-color.</p> </body> </html>