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JQuery Traversing - Siblings in JQuery of JQuery
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Traversing Sideways in The DOM Tree

There are many useful jQuery methods for traversing sideways in the DOM tree:

  • siblings()
  • next()
  • nextAll()
  • nextUntil()
  • prev()
  • prevAll()
  • prevUntil()
example
<!DOCTYPE html>
    <html lang="en-US">
    <head>
        <meta charset="UTF-8">
        <title>internal</title>
        <script   src="https://code.jquery.com/jquery-3.4.1.min.js"   integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo="   crossorigin="anonymous"></script>
    </head>
    <body>
        <script>
            $(document).ready(function(){
                $("#btn").click(function(){
                  $(".class1").find(".students").siblings().css("background-color","blue");
                  $(".class1"). find(".students").next().css("color","red");
                $(".class1").find(".teachers").nextAll().css("font-size","30px");
                    $(".class1").find(".office").prev().css("font-weight","bold");
                    $(".class1").find(".office").prevAll().css("text-decoration","underline");
                    $(".class1").find(".office").parentsUntil().css("color","yellow");
                });
            });    
                
        </script>
        <div width="500" height="300" style="background-color: orange;">
            <div class="class1">
            <ul class="teachers">
                <li>Sarathy</li>
                <li>Partha</li>
            </ul>
            <ul class="students">
                <li>Siva</li>
                <li>Ram</li>
            </ul>
            <ul class="office">
                <li>Kala</li>
                <li>JOhn</li>
            </ul>
            </div>
        </div>
        <button id="btn">click here</button>
    </body>
</html>
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