HTML | DOM Button disabled Property

Last Updated : 19 Feb, 2019

The Button disabled property in HTML DOM is used to set or return whether a Button element would be disabled or not. A disabled element is un-clickable and unusable. It contains a boolean value.

Syntax:

It is used to return the button disabled property.
```
buttonObject.disabled
```
It is used to set the button disabled property.
```
buttonObject.disabled = true|false
```

Property Values:

true: It defines that the Button element is disabled.
False: It is the default value. It defines that the Button is not disabled.

Return Value: It returns a boolean value which represents the Button is disabled or not.

Example 1: This example illustrates how to set the Button disabled property.

<!DOCTYPE html>  
<html>  
  
<head>  
    <title> 
        HTML DOM button disabled Property  
    </title>  
</head>  
  
<body style="text-align:center">  
      
    <h1 style="color: green;">  
        GeeksforGeeks  
    </h1>  
      
    <h2>DOM Button disabled Property</h2>  
      
    <!-- Assigning id to Button. -->
    <button id="GFG" onclick="hello()"> 
        Submit 
    </button> 
      
    <br><br>  
      
    <p id="sudo"></p> 
      
    <b> 
        Click on "Try it " Button to 
        disabled above Button. 
    </b>  
      
    <br><br> 
  
    <button onclick="Geeks()"> 
        Try it 
    </button> 
      
    <script>  
        function Geeks() {  
              
            // change Boolean value to represent Button 
            document.getElementById("GFG").disabled = "true"; 
        }  
    </script>  
</body>  
  
</html>                     

Output:
Before Click on the “Try it” button:

After Click on the “Try it” button:

Example 2: This example illustrates how to return the disabled property.

<!DOCTYPE html>  
<html>  
  
<head>  
    <title> 
        HTML DOM button disabled Property  
    </title>  
</head>  
  
<body style="text-align:center">  
  
    <h1 style="color: green;">  
        GeeksforGeeks  
    </h1>  
      
    <h2>DOM Button disabled Property</h2>  
      
    <!-- Assigning id to Button. -->
    <button id="GFG" disabled> 
        Submit 
    </button> 
      
    <br><br>  
      
    <b> 
        Click on "Try it " Button to  
        return the disabled Property 
    </b>  
      
    <br><br> 
      
    <button onclick="Geeks()"> 
        Try it 
    </button> 
      
    <p id="sudo" style="font-size:30px;color:green;"></p> 
      
    <!-- script to return Button disabled Property value -->
    <script>  
        function Geeks() {  
              
            // return Boolean value to represent Button 
            var x = document.getElementById("GFG").disabled; 
            document.getElementById("sudo").innerHTML = x; 
        }  
    </script>  
</body>  
  
</html>                     