JSFiddle - React, Tailwind, and code Playground

JavaScript

function READ(a,b,c){
	delete a,b,c,this;
	setTimeout( UPDATE ,1000);
}
function READ_err(a,b,c){
	delete a,b,c,this;
	setTimeout( UPDATE ,1000);
}
function UPDATE(ar){
	$.ajax({
		type	: "GET",
		dataType: 'json',
		cache	: false,
		url	: "abc.null"
	}).done(READ).fail(READ_err);
}
UPDATE();