Preparation code

<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js">
</script>
<div class="class1">
</div>
<div class="class2">
</div>
<div class="class0">
</div>

Preparation code output

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$(".class0, .class1, .class2").is(".class2");

$(".class0, .class1, .class2").hasClass("class2");

$(".class0, .class1, .class2").filter(".class2").length > 0;

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