JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/handlebars.js/2.0.0-alpha.1/handlebars.min.js"></script>
<script src="https://cdn.rawgit.com/danharper/Handlebars-Helpers/master/src/helpers.js"></script>
<div id="container">
</div>
<script id="__int_switch">
    {{#is type 1}}
        <p>Do something when 1.</p>
    {{else}}{{#is type 2}}
        <p>Do something when 2.</p>
    {{else}}{{#is type 3}}
        <p>Do something when 3.</p>
    {{/is}}{{/is}}{{/is}}
</script>

JavaScript

var source = document.getElementById("__int_switch").innerHTML;
var template = Handlebars.compile(source);
var context = {
    type: 2
};
document.getElementById('container').innerHTML = template(context);