HTML DOM Input Month readOnly 属性

htmlweb developmentfront end technology更新于 2025/6/13 7:40:17

HTML DOM Input Month readOnly 属性返回并修改 HTML 文档中输入月份字段是否为只读。

语法

以下是语法 −

1. 返回 readOnly

object.readOnly

2. 修改 readOnly

object.readOnly = true | false

示例

让我们看一个 HTML DOM 输入月份 readOnly 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;
      height:100%;
   }
   p{
      font-weight:700;
      font-size:1.1rem;
   }
   input{
      display:block;
      width:35%;
      border:2px solid #fff;
      background-color:transparent;
      color:#fff;
      font-weight:bold;
      padding:8px;
      margin:1rem auto;
   }
   .btn{
      background:#0197F6;
      border:none;
      height:2rem;
      border-radius:2px;
      width:35%;
      margin:2rem auto;
      display:block;
      color:#fff;
      outline:none;
      cursor:pointer;
   }
</style>
</head>
<body>
<h1>DOM Input month readOnly property Demo</h1>
<p>Hi, Select your month of birth?</p>
<input type="month" class="monthInput">
<button onclick="rFunction()" class="btn">Read Only</button>
<button onclick="rWFunction()" class="btn">Read & Write</button>
<script>
   function rFunction() {
      var monthInput = document.querySelector(".monthInput");
      monthInput.readOnly =true;
   }
   function rWFunction(){
      var monthInput = document.querySelector(".monthInput");
      monthInput.readOnly =false;
   }
</script>
</body>
</html>