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HTML | DOM Button formAction Property

  • Last Updated : 18 Jul, 2019

The Button formAction property in HTML DOM is used to set or return the value of the formAction attribute of a button. After submission of the form, the formAction attribute is called. The form data is to be sent to the server after submission of the form.

Syntax:

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  • It is used to return the formAction property.
    buttonObject.formAction
  • It is used to set the formAction property.
    buttonObject.formAction = URL

Property Values:
URL: It is used to specify the URL of the document where the data to be sent after submission of the form.
The possible value of the URL is:

  • absolute URL: It points to the full address of a page. For Example www.gfg.org
  • relative URL: It is used to point to a file within a webpage. For Example www.geeksforgeeks.org

Return Value: It returns a string value which represents the URL of the form.



Example: This example describes how to set and get the value of formAction property.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM Button formAction Property
    </title>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
  
    <h2>DOM Button formAction Property</h2>
  
    <form action="/gfg.php" 
          method="post" 
          id="users">
  
        <label for="username">
          Username:
      </label>
        <input type="text" 
               name="username" 
               id="Username">
  
        <br>
        <br>
  
        <label for="password">
          Password: 
      </label>
        <input type="password" 
               name="password">
  
        <button id="btn" 
                type="submit"
                formaction="/tryit.php">
            Load Changed formAction value
      </button>
    </form>
  
    <br>
  
    <button onclick="myGeeks()">
        Submit
    </button>
  
    <p id="GFG"></p>
  
    <!-- script to get the updated action page -->
    <script>
        function myGeeks() {
            var x = 
                document.getElementById("btn").formAction;
            var y = 
                document.getElementById("users").action;
            document.getElementById("GFG").innerHTML = 
              "formAction changed to " + x + "<br> from " + y;
        }
    </script>
</body>
  
</html>

Output:
Before clicking on button:

After clicking on button:

Supported Browsers: The browsers supported by DOM Button formAction Property are listed below:

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



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