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jQuery | prev() & prevAll() with Examples

  • Last Updated : 13 Feb, 2019

The prev() is an inbuilt function in jQuery which is used to return the previous sibling element of the selected element. Siblings are those having same parent element in DOM Tree. Document Object Model(DOM) is a World Wide Web Consortium standard defined for accessing elements.

prev()

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Syntax:

$(selector).prev()

Here selector is the selected element whose previous siblings get returned.
Parameters: It does not accept any parameter.
Return Value: It returns the previous sibling of the selected element.

jQuery code to show the working of prev() method:

Code #1:






<html>
  
<head>
    <style>
        .pre * {
            display: block;
            border: 2px solid lightgrey;
            color: black;
            padding: 5px;
            margin: 15px;
        }
    </style>
                 jquery/3.3.1/jquery.min.js"></script>
    <script>
        $(document).ready(function() {
            $("h3").prev().css({
                "color": "black",
                "border": "2px solid green"
            });
        });
    </script>
</head>
  
<body class="pre">
    <div>
        This is parent element !
        <p>This is first paragraph </p>
        <span>First span box </span>
        <h2>heading 2 !</h2>
        <h3>heading 3 !</h3>
        <p>This is the second paragraph and next sibling to h3 !</p>
    </div>
</body>
  
</html>

In the above code, previous sibling element of “h3” get highlighted with green color.
Output:

prevAll()

The prevAll() is an inbuilt method in jQuery which is used to return all the previous sibling elements of the selected element.
Syntax:

$(selector).prevAll()

Here selector is the selected element whose previous siblings get returned.
Parameters: It does not accept any parameter.
Return Value: It returns all the previous sibling elements of the selected element.

jQuery code to show the working of prevAll() method:

Code #2:




<html>
  
<head>
    <style>
        .preAll * {
            display: block;
            border: 2px solid lightgrey;
            color: black;
            padding: 5px;
            margin: 15px;
        }
    </style>
                jquery/3.3.1/jquery.min.js"></script>
    <script>
        $(document).ready(function() {
            $("h3").prevAll().css({
                "color": "black",
                "border": "2px solid green"
            });
        });
    </script>
</head>
  
<body class="preAll">
    <div>
        This is parent element !
        <p>This is first paragraph </p>
        <span>first span box </span>
        <h2>heading 2 !</h2>
        <h3>heading 3 !</h3>
        <p>This is the second paragraph and next
              sibling to h3 !</p>
    </div>
</body>
  
</html>

In the above code, all the previous sibling elements of “h3” get highlighted with green color.
Output:




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