Document Dom

<!DOCTYPE html>
<html lang="en">
<head>
  <title>Page Title</title>
</head>
<body>
 <embed type="image/jpg" src="/images/photo2.jpg" width="300" height="200">
 <embed type="image/jpg" src="/images/photo3.jpg" width="300" height="200">

 <button type="button" id="button">Try It</button>
 <p id="result"></p>
 <script>
 let button = document.getElementById('button');
 let result = document.getElementById('result');
 let embeds = document.embeds.length; 
 button.addEventListener("click",()=>{
    result.innerHTML = embeds;
 });
    </script>
</body>   
</html>