编辑代码:
查看结果 »
试一试 - ©
w3ii.com
<!DOCTYPE html> <html> <body> Points: <input type="range" id="myRange" value="60"> <p>Click the button to decrement the value of the slider control by "1" (each time you click).</p> <button onclick="myFunction()">Try it</button> <script> function myFunction() { document.getElementById("myRange").stepDown(); } </script> </body> </html>