Pokemon
You can use the api provided by https://pokeapi.co/ to provide data for this appication.
Create a new folder with two files:
index.html
<!DOCTYPE html>
<html>
    <head>
        <script src="pokemon.js" defer></script>
    </head>
    <body>
        <h1>Welcome to the Pokemon App</h1>
        <div id="detail"></div>
    </body>
</html>
pokemon.js
document.body.onload = async ()=>{
   let resp = await fetch("https://pokeapi.co/api/v2/pokemon/?limit=30");
   let data = await resp.json();
   document.getElementById('detail').innerHTML = data;
}
- Double click on the file index.html to open it in chrome
 - Open 
Developer Toolsto see how the data is pulled into the JavaScript program