JSFiddle - React, Tailwind, and code Playground
HTML
Using Blur <input id="usingblur" type="text"> </br>
<div id="info" style="display:block;color:red;">
</div>
JavaScript
var info = document.getElementById("info");
var blur_count = 0;
var blur_el = document.getElementById("usingblur");
blur_el.onblur = function() {
blur_count++;
info.innerHTML += ("using blur " + blur_count + " </br>");
alert(blur_count);
}