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HTML | DOM Input Radio value Property
  • Difficulty Level : Basic
  • Last Updated : 25 Mar, 2019

The DOM Input Radio value Property in HTML DOM is used to set or return the value of the input radio field. The attribute specifies the default value or the user type value.

Syntax:

  • It returns the value property.
    radioObject.value
  • It is used to set the value property.
    radioObject.value = number

Property Values: It contains a value i.e that is associated with the Input radio field.

Return Value: It returns a string value which represents the value of the value attribute of a radio Button.

Example-1: This Example illustrates how to return the value Property.






<!DOCTYPE html>
<html>
  
<head>
    <style>
        body {
            text-align: center;
        }
          
        h1 {
            color: green;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
  
    <h2>
      HTML DOM Input Radio value Property
  </h2>
  Radio Button:
    <input type="radio"
           checked=true 
           id="radioID"
           value="Geeks_radio">
    <br>
    <br>
    <button onclick="GFG()">
        Click!
    </button>
    <p id="GFG" 
       style="font-size:25px;
              color:green;">
  </p>
    <script>
        function GFG() {
  
            // Accessing input element 
            // type="radio" 
            var x =
                document.getElementById(
                  "radioID").value;
            
            document.getElementById(
              "GFG").innerHTML = x;
        }
    </script>
  
</body>
  
</html>


Output:
Before Clicking On Button:

After Clicking On Button:

Example-2: This Example illustrates how to set the Property.




<!DOCTYPE html>
<html>
  
<head>
    <style>
        body {
            text-align: center;
        }
          
        h1 {
            color: green;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
  
    <h2>
      HTML DOM Input Radio value Property
  </h2>
  Radio Button:
    <input type="radio" 
           checked=true 
           id="radioID" 
           value="Geeks_radio">
    <br>
    <br>
    <button onclick="GFG()">
        Click!
    </button>
    <p id="GFG" 
       style="font-size:25px;
              color:green;">
  </p>
    <script>
        function GFG() {
  
            // Accessing input element 
            // type="radio" 
            var x =
                document.getElementById(
                  "radioID").value = "Hellogeeks";
            
            document.getElementById(
              "GFG").innerHTML = 
              "The value was changed to " + x;
        }
    </script>
  
</body>
  
</html>


Output:
Before Clicking On Button:

After Clicking On Button:

Supported Browsers: The browser supported by DOM input Radio value Property are listed below:

  • Google Chrome
  • Internet Explorer 10.0 +
  • Firefox
  • Opera
  • Safari

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