JSFiddle - React, Tailwind, and code Playground

HTML

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<style type="text/css">
body {background-color:Gray;}
body {text-align:left;}
p {text-align:center}

</style>

    <title>My First Project</title>
</head>
<body>
<form id="form1" >

<table align=center>
<tr>
<td><input type="checkbox" name="ingredients" value="sausage" /> Italian Sausage<br /></td>
<td><input type="checkbox" name="ingredients" value="mushrooms" /> Fresh Mushrooms<br /></td>
<td><input type="checkbox" name="ingredients" value="pepperoni" /> Pepperoni<br /></td>
</tr>

<tr>
<td><input type="checkbox" name="ingredients" value="onions" /> Fresh Onions<br /></td>
<td><input type="checkbox" name="ingredients" value="ham" /> Diced Ham<br /></td>
<td><input type="checkbox" name="ingredients" value="peppers" /> Fresh Green Peppers<br /></td>
</tr>

<tr>
<td><input type="checkbox" name="ingredients" value="beef" /> Beef<br /></td>
<td><input type="checkbox" name="ingredients" value="tomatoes" /> Diced Tomatoes<br /></td>
<td><input type="checkbox" name="ingredients" value="bacon" /> Bacon Bits<br /></td>
</tr>

<tr>
<td><input type="checkbox" name="ingredients" value="green" /> Green Olives<br /></td>
<td><input type="checkbox" name="ingredients" value="olives" /> Ripe Olives<br /></td>
</tr>
</table>
<br />

<script type="text/javascript">

      function anyCheck() {
        var total = 0;
        var max = document.querySelectorAll('[type=checkbox]');
        for (var idx = 0; idx < max.length; idx++) {
            if (max[idx].checked) {
                total++;
            }
        }
        alert("You selected " + total + " boxes.");
 }


    
</script>
<input type="button" name="submit" value="Submit" onclick="anyCheck();"  />
</form>
</body>
</html>