HTML | DOM Input Checkbox disabled Property

Difficulty Level : Basic
Last Updated : 06 Mar, 2019

The Input Checkbox disabled property in HTML DOM is used to set or return whether the Input Checkbox field must be disabled or not. A disabled checkbox is unclickable and unusable. It is a boolean attribute and used to reflect the HTML Disabled attribute.

Syntax:

It returns the Input Checkbox disabled property.
```
checkboxObject.disabled
```
It is used to set the Input Checkbox disabled property.
```
checkboxObject.disabled = true|false
```

Property Values: It contains two property values which are listed below:

true: It defines that the checkbox is disabled.
False: It has the default value. It defines that the checkbox is not disabled.

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

Example 1: This example sets the Input Checkbox disabled property.

<!DOCTYPE html>  
<html>  
    <head>  
        <title> 
            DOM Input Checkbox disabled Property 
        </title>  
    </head>  
      
    <body style="text-align:center;">  
      
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1>  
          
        <h2>DOM Input Checkbox disabled Property</h2> 
          
        <form id="myGeeks">  
          
            <!-- Below input elements have attribute 
                checked -->
            <input type="checkbox" name="check" id="GFG"
                    value="1" disabled>Checked by default<br> 
                      
            <input type="checkbox" name="check" value="2"> 
                    Not checked by default<br>  
        </form><br> 
          
        <button onclick="myGeeks()"> 
            Submit 
        </button> 
          
        <!-- Script to disable checkbox -->
        <script> 
            function myGeeks() { 
                var g = document.getElementById("GFG").disabled 
                        = false; 
            } 
        </script> 
    </body>  
</html>                                 

Output:
Before clicking on the Button:

After clicking on the Button:

Example 2: This example returns the Input Checkbox disabled property.

<!DOCTYPE html>  
<html>  
    <head>  
        <title> 
            DOM Input Checkbox disabled Property 
        </title>  
    </head>  
      
    <body style="text-align:center;">  
      
        <h1 style="color:green;"> 
            GeeksforGeeks 
        </h1>  
          
        <h2>DOM Input Checkbox disabled Property</h2>  
          
        <form id="myGeeks"> 
               
            <!-- Below input elements have attribute 
                checked -->
            <input type="checkbox" name="check" id="GFG" 
                    value="1" disabled>Checked by default<br>  
                      
            <input type="checkbox" name="check" value="2"> 
                    Not checked by default<br>  
        </form><br> 
          
        <button onclick="myGeeks()"> 
            Submit 
        </button> 
          
        <p id="sudo" style="color:green;font-size:25px;"></p> 
          
        <!-- Script to return Input Checkbox disabled Property -->
        <script> 
            function myGeeks() { 
                var g = document.getElementById("GFG").disabled; 
                document.getElementById("sudo").innerHTML = g; 
            } 
        </script> 
    </body>  
</html>                               

Output:
Before clicking on the Button:

After clicking on the Button:

Supported Browsers: The browser supported by DOM input Checkbox disabled property are listed below:

Google Chrome
Internet Explorer
Firefox
Opera
Safari

My Personal Notes

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