HTML DOM 输入数字禁用属性
HTML DOM input number disabled 属性返回并修改 HTML 文档中 type=”number” 类型的输入字段是否禁用。
语法
以下是语法 −
返回禁用
object.disabled
修改禁用
object.disabled = true | false
示例
我们来看一个 HTML DOM 输入数字禁用属性的示例 −
<!DOCTYPE html> <html> <head> <style> html{ height:100%; } body{ text-align:center; color:#fff; background: linear-gradient(62deg, #FBAB7E 0%, #F7CE68 100%) center/cover no-repeat; background:#B39CD0; height:100%; } p{ font-weight:700; font-size:1.2rem; } input{ width:35%; border:2px solid #fff; background-color:transparent; color:#fff; font-weight:bold; padding:8px; outline:none; } .btn{ background:#008B74; border:none; height:2rem; border-radius:2px; width:35%; margin:2rem auto; display:block; color:#fff; outline:none; cursor:pointer; } .show{ font-size:1.5rem; font-weight:bold; } </style> </head> <body> <h1>DOM Input number disabled Example</h1> <p>Hi, Enter your day of birth</p> <input type="number" class="numberInput"> <button onclick="disEna()" class="btn">Disable/Enable</button> <div class="show"></div> <script> function disEna() { var monthInput = document.querySelector(".numberInput"); var showMsg = document.querySelector(".show"); showMsg.innerHTML =""; if (monthInput.disabled === true){ monthInput.disabled = false; showMsg.innerHTML ="Previously, I was disabled but now I am enabled!"; } else{ monthInput.disabled = true; showMsg.innerHTML ="Previously, I was enabled but now I am disabled!"; } } </script> </body> </html>
输出
它将生成以下输出 −
点击“禁用/启用”按钮,首先禁用输入数字字段 −
点击“禁用/启用”按钮,现在启用输入数字字段 −
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