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>
Welcome to the Pokemon App
</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;
}