JSFiddle - React, Tailwind, and code Playground

HTML

<div class="outer">
    <div class="inner">
        <script type="application/x-demonstration">        
            { "FOO": "BAR" }
        </script>
    </div>
</div>

JavaScript

$(document).ready(function(){
    alert(
        $(".inner").insertAfter(".outer")
            .find("script[type=application/x-demonstration]")
            .length
    );        
});