​x
 
<html>
<head>
<script type="text/javascript">
function changeWordSpacing()
{
document.getElementById("p1").style.wordSpacing="10px";
}
</script>
</head>
<body>
​
<p id="p1">This is an example paragraph</p>
​
<input type="button" onclick="changeWordSpacing()" value="Change space between words" />
​
</body>
</html>
​