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HTML | DOM Input Button value Property
  • Difficulty Level : Basic
  • Last Updated : 23 Oct, 2019

The DOM Input Button value Property in HTML DOM is used to set or return the value of a value attribute of the Button field. The value attribute specifies the text that is displayed on the Button.

Syntax:

  • It returns the value property.
    buttonObject.value
  • It is used to set the value property.
    buttonObject.value = text

Property Value: It contains single value text which defines the value of the input Button field.

Return Value: It returns the string value which represent the value of the Button Field.

Example-1: This example illustrates how to return the property.






<!DOCTYPE html>
<html>
  
<head>
    <style>
        h1 {
            color: green;
        }
    </style>
</head>
  
<body style="text-align:center;">
    <h1>
      GeeksForGeeks
  </h1>
    <h2
      DOM Input Button value Property 
  </h2>
  
    <!-- Assigning button id -->
    <input type="button"
           id="GFG"
           onclick="myGeeks()"
           value="Submit">
  
    <p id="sudo" 
       style="color:green;
              font-size:25px;">
  </p>
  
    <script>
        function myGeeks() {
  
            // accessing 'button' id. 
            var g = 
                document.getElementById(
                  "GFG").value;
            
            document.getElementById(
              "sudo").innerHTML = g;
        }
    </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>
        h1 {
            color: green;
        }
    </style>
</head>
  
<body style="text-align:center;">
    <h1>GeeksForGeeks</h1>
    <h2
      DOM Input Button value Property 
  </h2>
  
    <!-- Assigning button id -->
    <input type="button"
           id="GFG" 
           onclick="myGeeks()"
           value="Submit">
  
    <p id="sudo"
       style="color:green;
              font-size:25px;">
  </p>
  
    <script>
        function myGeeks() {
  
            // accessing 'button' id. 
            var g = 
                document.getElementById(
                  "GFG").value = "click here";
            
            document.getElementById(
              "sudo").innerHTML = 
              "The value was changed to " + g;
        }
    </script>
  
</body>
  
</html>

Output:
Before Clicking On Button:

After Clicking On Button:

Supported Browsers: The browsers supported by DOM input Button value property are listed below:

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

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