JSFiddle - React, Tailwind, and code Playground

HTML

<html>
    <body>
        <div class="class0">
            <h4>data1</h4>
            <p class="class1">data2</p>
            <div id="mydivid">
                <p>data3</p>
            </div>
        </div>
    </body>
</html>

JavaScript

var datahtml = "<html><body><div class=\"class0\"><h4>data1</h4><p class=\"class1\">data2</p><div id=\"mydivid\"><p>data3</p></div></div></body></html>";

var parsed = $('<div/>').append(datahtml);
console.log(parsed.find(".class0").text());

    console.log($(datahtml).find(".class1").text()); // work 

    console.log($(datahtml).find("#mydivid").text()); // work