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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>WAIT!</title>
</head>
<script>
function redirect() {
    if(document.getElementById("m").checked == true)
    {
        window.open("http://www.codeforbrowser.com")
    }
    else {
        window.open("http://www.yahoo.com")
    }

}
</script>
<body>
<p>WAIT!</p>
<p>Let us know more about you.</p>
<p>Please fill out this form so that we can guide you to YOUR world. </p>
<p>&nbsp;</p>
<p>Are you a:</p>
<form>
<input type="radio" name="sex" value="male">Male<br>
<input type="radio" name="sex" value="female">Female
</form> 
<p> Age: </p>
<form>
<input type="radio" name="sex" value="male" id="m" >
younger than 18<br>
<input type="radio" name="sex" value="female"  id="f">
18+ 
</form> 
<p></p>
<form name="input" action="#" method="get">
<input type="submit" value="Enter" onclick="redirect();">
</form> 
</body>
</html>