源代碼
點擊運行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>教程</title> </head> <head> <script> function lighton(){ document.getElementById('myimage').src="bulbon.gif"; } function lightoff(){ document.getElementById('myimage').src="/images/logo.png"; } </script> </head> <body> <img id="myimage" onmousedown="lighton()" onmouseup="lightoff()" src="/images/logo.png" width="100" height="180" /> <p>點擊不釋放鼠標燈將一直亮著!</p> </body> </html>
運行結果