How to post HTML Form Data to the Server? [JavaScript/AJAX Code]

To post HTML form data to the server in URL-encoded format using JavaScript/AJAX, you need to make an HTTP POST request to the server and provide the HTML form data in the body of the JavaScript/AJAX POST message. You also need to specify the data type using the Content-Type: application/x-www-form-urlencoded request header. You can also send HTML form data to the server using the HTTP GET method. In this case, HTML form data is passed in the URL as key/value pairs separated by ampersands (&), and keys are separated from values by equality (=). The JavaScript/AJAX code was automatically generated for the POST HTML Form example.
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