HTML | DOM 输入日期时间对象

HTML DOM 中的Input Datetime 对象用于表示 type=”datetime”的 HTML 输入元素。可以使用getElementById() 方法访问 type=”datetime”的输入元素。
句法：

• 它用于访问输入日期时间对象。

  document.getElementById("id");

• 它用于创建输入元素。

  document.createElement("input");

输入日期时间对象属性：

Property	Description
type	This property is used to return which type of form element the Datetime field is.
value	This property is used to set or return the value of the value attribute of a Datetime field.
autocomplete	This property is used to set or return the value of the autocomplete attribute of a Datetime field.
autofocus	This property is used to set or return the Datetime field get focus automatically when the page loads.
defaultValue	This property is used to set or return the default value of a Datetime field.
disabled	This property is used to set or return whether a Datetime field is disabled or not.
form	This property is used to return reference to the form that contains the Datetime field.
list	This property is used to return a reference to the datalist that contains the Datetime field.
max	This property is used to set or return the value of the max attribute of a Datetime field.
min	This property is used to set or return the value of the min attribute of a Datetime field.
name	This property is used to set or return the value of the name attribute of a Datetime field.
placeholder	This property is used to set or return the value of the placeholder attribute of a Datetime field.
readOnly	This property is used to set or return whether the Datetime field is read-only or not.
required	This property is used to set or return whether the Datetime field must be filled out before submitting a form.
step	This property is used to set or return the value of the step attribute of a Datetime field.

输入日期时间对象方法：

Method	Description
stepDown()	This method is used to decrement the value of the input Datetime by a specified number.
stepUp()	This method is used to increment the value of the input Datetime by a specified number.

示例 1：使用“document.getElementById(“id”);”返回日期时间.

  

  
    
  
           
            GeeksForGeeks   
        
  
        DOM Input Datetime Object
  
        
  
        Click the button to get the date and time of the datetime field.
  
        
          Click Here!
      
  
        
  
        
            function myFunction() {
                 
                // Get datetime value.
                var x =
                    document.getElementById(
                      "myDatetime").value;
                
                document.getElementById(
                  "demo").innerHTML = x;
            }
        
  
    
  

输出：

点击按钮前：

点击按钮后：

示例 2：创建“datetime”元素

  

  
       
            GeeksForGeeks   
        
  
    DOM Input Datetime Object
  
    
      Click the button to create a Datetime field.
  
  
    
      Click Here!
  
  
    
        function myFunction() {
            
            // Create datetime element and 
            // set attributes.
            var x = document.createElement("INPUT");
            
            x.setAttribute("type", "datetime");
            x.setAttribute("value", "2018-02-07 10:15 AM");
            document.body.appendChild(x);
        }
    
  

  

输出：

点击按钮前：

点击按钮后：

支持的浏览器：

• 谷歌浏览器
• 火狐浏览器
• 边缘
• 苹果浏览器
• 歌剧