php - How to not refresh page's previous field input values after press submit -

i have input this:

<input value="<?php echo $formdata['title'] ?>" type="text" name="title" id="editbox2"> 

this edit page, load database data fields echo, replace them, , hit submit update them.

but when hit submit refreshes old data onto browser's fields, how can prevent this?

submit form using ajax request jquery submit.

use action="javascript:;" form tag