Write a JavaScript program to store different colours in an array and change the background colour of the page using these array elements.
<html> <body id="body"> <input type="button" onmouseover="changeBg(0)" value="Red"> <input type="button" onmouseover="changeBg(1)" value="Yellow"> <input type="button" onmouseover="changeBg(2)" value="Blue"> <input type="button" onmouseover="changeBg(3)" value="Green"> <input type="button" onmouseover="changeBg(4)" value="Orange"> <script> function changeBg(i) { const colors = ["red", "yellow", "blue", "green", "orange"]; document.body.style.background = colors[i]; } </script> </body> </html>