JSFiddle - React, Tailwind, and code Playground
HTML
<ul id="dropdown" tabindex="1">
test data
<li><a href="#">Male</a></li>
<li><a href="#">Female</a></li>
</ul>
<button onclick="showtest()">
Click Me
</button>
<div id="test">
</div>
JavaScript
function showtest() {
var x = document.getElementsByTagName("ul")[0].innerHTML.split("<li>")[0];
document.getElementById("test").innerHTML = x;
alert(x);
}