<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(".btn1").click(function(){
$("p").slideUp();
});
$(".btn2").click(function(){
$("p").slideDown();
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<button class="btn1">Slide up</button>
<button class="btn2">Slide down</button>
</body>
</html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.2/jquery.min.js"></script>
<script>
$(document).ready(function(){
$(".btn1").click(function(){
$("p").slideUp();
});
$(".btn2").click(function(){
$("p").slideDown();
});
});
</script>
</head>
<body>
<p>This is a paragraph.</p>
<button class="btn1">Slide up</button>
<button class="btn2">Slide down</button>
</body>
</html>
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