JSFiddle - React, Tailwind, and code Playground

HTML

<html>
<head>
<title>Untitled Form Folly</title>
<style>
fieldset{padding: 15px;}
</style>
<script type="text/javascript">
function toggleSet(rad)
{
var type = rad.value;
for(var k=0,elm;elm=rad.form.elements[k];k++)
if(elm.className=='item')
elm.style.display = elm.id==type? 'inline':'';
}
</script>
</head>
<body>
<form>
Vehicle
<input type="radio" name="itemtype" value="vehicle" onclick="toggleSet(this)">
<br>
Equipment
<input type="radio" name="itemtype" value="equipment" onclick="toggleSet(this)">
<br>
<fieldset id="vehicle" class="item">
<legend>Vehicle</legend>
license plate <input type="text" name="licence_plate"><br>
VIN <input type="text" name="VIN"><br>
mileage <input type="text" name="mileage">
</fieldset>
<fieldset id="equipment" class="item">
<legend>Equipment</legend>
model no. <input type="text" name="model_no"><br>
serial no. <input type="text" name="serial_no"><br>
hours <input type="text" name="hours">
</fieldset>
</form>
</body>
</html>