JSFiddle - React, Tailwind, and code Playground

by chenxsan

HTML

<input type="button" value="one">
<input type="button" value="two">
<input type="button" value="three">

JavaScript

var buttons = document.getElementsByTagName("input");
for (var i = 0; i < 3; i++) {
    buttons[i].addEventListener("click", function () {
        alert("点击按钮" + (i + 1));
    });
}