Tryit Editor v2.9

Edit This Code:
<!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
    $(".btn1").click(function(){
        $("p").animate({wordSpacing: "+=15px"});
    });
    $(".btn2").click(function(){
        $("p").animate({wordSpacing: "-=15px"});
    });
});
</script>
</head>
<body>

<button class="btn1">Animate +</button>
<button class="btn2">Animate -</button>

<p>This is a paragraph.</p>

</body>
</html>