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<!DOCTYPE html>
<html>
<head>
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<script>
$(document).ready(function(){
$("p").filter(".intro").css("background-color", "yellow");
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</head>
<body>
<h1>Welcome to My Homepage</h1>
<p>My name is Donald.</p>
<p class="intro">I live in Duckburg.</p>
<p class="intro">I love Duckburg.</p>
<p>My best friend is Mickey.</p>
</body>
</html>
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Welcome to My Homepage
My name is Donald.
I live in Duckburg.
I love Duckburg.
My best friend is Mickey.
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