The input formmethod attribute defines the HTTP method for sending form-data to the action URL.
Note: This attribute overrides the method attribute of the <form> element.
The formmethod attribute works with the following input types: submit and image.
The form-data can be sent as URL variables (method="get") or as an HTTP post transaction (method="post").
Notes on the "get" method:
- This method appends the form-data to the URL in name/value pairs
- This method is useful for form submissions where a user want to bookmark the result
- There is a limit to how much data you can place in a URL (varies between browsers), therefore, you cannot be sure that all of the form-data will be correctly transferred
- Never use the "get" method to pass sensitive information! (password or other sensitive information will be visible in the browser's address bar)
Notes on the "post" method:
- This method sends the form-data as an HTTP post transaction
- Form submissions with the "post" method cannot be bookmarked
- The "post" method is more robust and secure than "get", and "post" does not have size limitations
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