主页
JS 参考手册
Input Number step 属性
tryjsref_number_step2
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> Number: <input type="number" id="myNumber" step="3"> <p>Click the button to change the value of the step attribute of the number field.</p> <button onclick="myFunction()">Try it</button> <p id="demo"></p> <script> function myFunction() { let x = document.getElementById("myNumber").step = "5"; document.getElementById("demo").innerHTML = "The value of the step attribute was changed from ''3'' to ''5''."; } </script> </body> </html>