Save record without button click, PHP script?

Question

PHP

Hello.
Who will tell you the script which makes auto-save when filling in the textarea field.
What would I write down any text for myself. And in order not to press the "save" button, the text itself was written into a text file.
PS Google didn't help. It only fires when the button is clicked.
And that would not create a separate topic. One more question.
How the positions of blocks on the site page are saved.
Example: tympanus.net/Development/ElasticSVGElements/drag.html
How to make sure that the position of the blocks on the page is preserved? Well, respectively, is this an example in php or java?

Answer 1

to move blocks, it is convenient to use this thing: https://jqueryui.com/draggable/
on the first question, the scheme is as follows:
connect jquery,
hang a keyup event handler on the textarea
, send the contents of the textarea to the php script via ajax.
in a php script, everything is elementary: open the file for writing, delete everything, write the received content, save the file, close it.

Answer 2

Kirill Gorelov : I implemented such a thing through loss of focus... $(selector).on('focusout', function()... left the textarea and after 5 seconds the data is sent to the address