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JQuery
Introduction Syntax Sample JQuery Selectors Events Jquery effects Callback
JQuery [cont'd]
Getandset JQuery - Add Elements JQuery Traversing JQuery Traversing - Ancestors JQuery Traversing - Descendants JQuery Traversing - Siblings JQuery Traversing - Filtering
JQuery [cont'd]
JQuery - AJAX Introduction JQuery - AJAX load() Method Jquery post and get method Format Conflict Filter Has method
JQuery [cont'd]
Before and after Checkbox String vs boolean
JQuery Traversing - Ancestors in JQuery of JQuery
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Traversing Up the DOM Tree

Three useful jQuery methods for traversing up the DOM tree are:

  • parent()
  • parents()
  • parentsUntil()
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(){
                    $("#ul1").parent().css("background-color","red");
                    $("#ul1").parents("div").css("color","yellow");
                     $("#ul1").parentsUntil("div.div1").css("color","blue");
                });
            });    
                
        </script>
        <div width="500" height="300" style="background-color: orange;">
            hello
        <div id="div1">
            <ul id="ul1">
                <li>1</li>
                <li>2</li>
            </ul>
            <button id="btn">click here for parent</button>
        </div>
        </div>
    </body>
</html>
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