How to remove parent element except its child element using jQuery ?

Given an HTML document and the task is to remove the parent element except for its child element. Approach 1:

Use contents() method to select all the direct children, including text and comment nodes for the selected element.
Selected elements are stored in a variable.
Now, use replaceWith() method to replace the content of parent element by its all child element which is stored into a variable.

Example: This example uses contents() and replaceWith() method to remove the parent element except for its child element.

html

<!DOCTYPE HTML> 
<html> 

<head> 
    <title> 
        Remove the parent element not
        its child using jQuery
    </title>
    
    <script src = 
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
    </script>
</head>

<body style = "text-align:center;"> 
    <h1 style = "color:green;" id = "h1"> 
        GeeksForGeeks 
    </h1>
    
    <div id = "parent" style = "border: 1px solid black;">
        
        <p id = "GFG_UP" style = 
            "font-size: 15px; font-weight: bold;">
        </p>
        
        <button onclick = "GFG_Fun()">
            click here
        </button>
        
        <p id = "GFG_DOWN" style =
            "color:green; font-size: 20px; font-weight: bold;">
        </p>
        
    </div>
    
    <script> 
        var up = document.getElementById('GFG_UP');
        up.innerHTML = "This content is inside a big DIV.";
        var down = document.getElementById('GFG_DOWN');
        
        down.innerHTML = "Click on the button to remove "
                        + "just this parent DIV";
        
        var heading = document.getElementById('h1');
        
        function GFG_Fun() {
            var content = $("#parent").contents();
            $("#parent").replaceWith(content);
        }
    </script> 
</body> 

</html>

Output:

Before clicking on the button:

After clicking on the button:

Approach 2: This approach uses unwrap() method to remove the parent element from the selected element.
Example:

html

<!DOCTYPE HTML>
<html>

<head>
    <title>
        Remove the parent element not
        its child using jQuery
    </title>

    <script src =
"https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js">
    </script>
</head>

<body style = "text-align:center;">

    <h1 style = "color:green;" id = "h1">
        GeeksForGeeks
    </h1>

    <div id = "parent" style = "border: 1px solid black;">

        <p id = "GFG_UP" style =
            "font-size: 15px; font-weight: bold;">
            This content is inside a big DIV.
        </p>

        <button onclick = "GFG_Fun()">
            click here
        </button>

        <p id = "GFG_DOWN" style =
            "color:green; font-size: 20px; font-weight: bold;">
            Click on the button to remove just this parent DIV
        </p>
    </div>

    <script>
        function GFG_Fun() {
            $("#parent").contents().unwrap();
        }
    </script>
</body>

</html>

Output:

Before clicking on the button:

After clicking on the button:

How to remove parent element except its child element using jQuery ?

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