JSFiddle - React, Tailwind, and code Playground
JavaScript
var i = 1;
self.setInterval(function(){
var request = new XMLHttpRequest();
request.onreadystatechange = function() {
if (request.readyState == 4 && request.status == 200) {
alert(request.responseText);
}
}
var add = '/echo/json/?id='+i;
request.open('GET', add, true);
i = i + 1;
request.send();
},5000);