How to upload a file without reloading the page (Drupal 7)?

Question

css

Hello!

Please tell me a module or a solution that will help get rid of the page reload when uploading files in Drupal 7/

Answer 1

This is the border of tr/td

Answer 2

table {
border-collapse: collapse;
}

Answer 3

in css border: 0px;

Answer 4

'#type' => 'managed_file'
Example