How to refresh particular element of HTML5 and php script in side the particular element not hole page refresh??

Question

I want to refresh a particular html element as div, section with JavaScript function.

Answer 1

You have to use (AJAX) which stands for Asynchronous Javascript And HTML.
With Ajax you can update specific parts of the page without the need to reload the page.
Here is a link to Wikipedia to read more about the subject:
https://en.wikipedia.org/wiki/Ajax_(programming)

Hope it can help :)