Display Html Class content Onclick

<!DOCTYPE html>
<html lang="en">
<head>
<title></title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<style>

h1 { font-family:courier;  }
button {  color:white;background-color:navy; padding:5px 20px;
          outline:none;font-size:20px;font-weight:900;  }
.info {  display:none; }

</style>
</head>
<body>
<button onclick='info()'>Display Info</button>

<h2 class='info'>John 32 years old has broken both legs.</h2>
<h2 class='info'>Henrietta 40 year old, single, wants to die right now.</h2>
<h2 class='info'>Marcus 10 years old has eaten his own pet chicken.</h2>

<h1 id='h1'></h1>

<script>
i=0;

     x = document.getElementsByClassName('info');

function info(){
del=setInterval(()=>{
h1.innerHTML+=x[i].innerHTML+'<br>';
h1.style.display='block';
i++;
if(i==x.length){
clearInterval(del);
setTimeout(function(){
h1.innerHTML+='<span style="font-size:20px;font-family:courier;"><a href="https://www.w3schools.com/tags/att_global_class.asp" target="_blank">End of results.</a></span>';
},500);
}
},500);
}

</script>
</body>
</html>