<!DOCTYPE html>
<html>
<body>
<h1 style="color:green;font-size:39px;">
GeeksForGeeks
</h1>
<h2>DOM Datalist object</h2>
<form id="GFG">
<b><label>Your cars name:</label></b>
</form>
<br>
<button onclick="myGeeks()">Submit</button>
<script>
function myGeeks() {
let g = document.createElement("INPUT");
g.setAttribute("list", "cars");
document.getElementById("GFG").appendChild(g);
let f = document.createElement("DATALIST");
f.setAttribute("id", "cars");
document.getElementById("GFG").appendChild(f);
let w = document.createElement("OPTION");
w.setAttribute("value", "BMW");
document.getElementById("cars").appendChild(w);
let x = document.createElement("OPTION");
x.setAttribute("value", "Mercedes");
document.getElementById("cars").appendChild(x);
}
</script>
</body>
</html>