JSFiddle - React, Tailwind, and code Playground

HTML

<form name="calculator">
    <input type="text" class="textbox" value="test">
    <input type="text" class="textbox" value="foo">
    <input type="text" class="textbox" value="bar">
    <input type="text" class="textbox">
    <input type="text" class="textbox">
</form>

JavaScript

var tbs = document.calculator.getElementsByClassName('textbox');

for (var i = 0; i < tbs.length; i++) {
    var body = document.getElementsByTagName('body') [0];
    var br = document.createElement("br");
    var text = document.createTextNode(tbs[i].value);
    body.appendChild(br);
    body.appendChild(text);

}