How to call ajax jquery call in every one seconds javascript - d3.timer function

 https://www.codespeedy.com/call-jquery-ajax-in-every-n-seconds/

https://makitweb.com/how-to-fire-ajax-request-on-regular-interval/

https://www.codespeedy.com/call-jquery-ajax-in-every-n-seconds/

https://stackoverflow.com/questions/5687600/jquery-call-ajax-every-10-seconds

https://stackoverflow.com/questions/2170923/whats-the-easiest-way-to-call-a-function-every-5-seconds-in-jquery

https://www.javatpoint.com/timer-api-in-d3-js