Try Code jQuery .is(elements)- Lautturi

Source Code: (FullScreen - F11)

JS Libraries

Run

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>jquery .is() method demo - Lautturi.com </title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
    <style>
        div{margin:10px;padding:10px;border:1px solid #999;}
        p{line-height:30px;}
        span{color:red}
    </style>
</head>
<body>
    <h2>Click the paragraphs</h2>
    <p>java tutorial</p>
    <p>learn javascript</p>
    <p class="selected">learn jquery (have selected class )</p>
    <p>python tutorial</p>
    <p class="selected">PHP (have selected class )</p>