<!DOCTYPE html>
<html lang="en-US">
<body>
<h2>Change my Styling</h2>
<a href="#" onclick="red()">Red</a>
<a href="#" onclick="green()">Green</a>
<a href="#" onclick="blue()">Blue</a>
<script>
function myChange(clr, size) {
return function() {
document.body.style.color = clr;
document.body.style.fontSize = size+"px";
};
}
var red = myChange("red", 12);
var green = myChange("green", 14);
var blue = myChange("blue", 16);
</script> </body>
</html>