Background Colour Function

We are going to enhance our background colour script by first turning our inline script into an internal script.

Here we call a function to change the background colour by clicking on a link.

<head> 
<script type='text/javascript'> 
function changecolour()  { 
   document.body.style.backgroundColor='blue';} 
</script> 
</head> 
<body> 
<a href="javascript:void(0);" onclick='changecolour();'>Make Me Blue</a> 
</body> 

Exercise
Create a web page with this code on it.
Now use a parameter in the changecolour() function to allow the user to choose from several different background colors.