How to send form data using ajax

How to send form data to Spring controller using ajax / How to...
This involves the use of ajax. As soon as we decide to useajax, a question arises as to how we would sendformdata from jsp to server without page

How to send Form Data and other Data using AJAX
I'm trying tosend HTML formdatausingAJAX however I'm also trying tosend other data along with the same AJAX POST call.

Using FormData Objects - Web APIs - MDN
It is primarily intended for use in sendingformdata, but can be used independently from forms in order to transmit keyed data.

How to Use AJAX to Send a Web Form
Data can be sent with GET, but POST is nearly always the better choice – particularly for formdata. You may have seen GET requests before — they send the data attached to the URL

How to Create an AJAX Contact Form - Treehouse Blog
Standard contact forms work just fine, but you can make them nicer by usingAJAX to submit the formdata in the background. In this blog post, you’re going to learn howto

How to send form data to ActionSupport using Ajax and Struts2
How would I go about submitting formdata without using HTML forms. I only need tosend 1 input to example.php, and would like stay away from ajax/jQuery. Also is it possible tosend it in the background without redirecting/refreshing the page.