JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8/themes/dot-luv/jquery-ui.css">
<input type="text" id="thing1" class="textbox1" />
<input type="text" id="thing2" class="textbox2" />
<input type="text" id="thing3" class="textbox3" />
<br />

JavaScript

$(function() {
  $('.textbox1, .textbox2, .textbox3').each(foo);
});

function foo() {
    $("body").append(this.id + "<br />");
}