HTML <button> formmethod Attribute

Example

<form action="action-post.php">
  <label for="fname">First name:</label>
  <input type="text" id="fname" name="fname"><br><br>
  <label for="lname">Last name:</label>
  <input type="text" id="lname" name="lname"><br><br>
  <button type="submit" formmethod="post">Submit</button>
</form>

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Meaning

formmethod attribute specifies how form information should be transferred to the server using a particular HTTP method.

Notes:

• The formmethod attribute is only used for buttons with type="submit".
• Never use the get method to pass sensitive information like password or other sensitive information will be visible in the browser's address bar.
• Form submissions with the post method cannot be bookmarked.
• get method has data size limitation.
• post method has no data size limitation.

Standard Syntax

<button type="submit" formmethod="get|post">

Attribute Values