JSFiddle - React, Tailwind, and code Playground
by Pavel Kityan
HTML
<button id="b1">1</button>
<button id="b2">2</button>
JavaScript
var btn = [$('#b1'), $('#b2')];
for (var i = 0; i < btn.length; i++) {
btn[i].click(
(function(i) {
return function (event) {alert(i);}
})(i)
);
}