Explain jQuery.append(), jQuery.prepend(), jQuery.after() and jQuery.before() methods.

jQuery.append()
The append( content ) method appends content to the inside of every matched element. Here is the description of all the parameters used by this method −
content − Content to insert after each target. This could be HTML or Text content
You can try to run the following code to learn how to work with jQuery.append() method:
Live Demo
<html>

   <head>
      <title>jQuery append() method</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
       
      <script>
         $(document).ready(function() {
            $("div").click(function () {
               $(this).append('<div class = "div"></div>' );
            });
         });
      </script>
       
      <style>
         .div {
             margin:10px;
             padding:12px;
             border:2px solid #666;
             width:60px;
         }
      </style>
   </head>
   
   <body>
   
      <p>Click on any square below to see the result:</p>
       
      <div class = "div" style = "background-color:blue;"></div>
      <div class = "div" style = "background-color:green;"></div>
      <div class = "div" style = "background-color:red;"></div>
       
   </body>
   
</html>
jQuery.prepend()
The prepend( content ) method prepends content to the inside of every matched element. Here is the description of all the parameters used by this method −
content − Content to insert after each target. This could be HTML or Text content
You can try to run the following code to learn prepend() method:
Live Demo
<html>

   <head>
      <title>jQuery prepend() method</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
       
      <script>
         $(document).ready(function() {
            $("div").click(function () {
               $(this).prepend('<div class = "div"></div>' );
            });
         });
      </script>
       
      <style>
         .div {
             margin:10px;
             padding:12px;
             border:2px solid #666;
             width:60px;
         }
      </style>
   </head>
   
   <body>
   
      <p>Click on any square below to see the result:</p>
       
      <div class = "div" style = "background-color:blue;"></div>
      <div class = "div" style = "background-color:green;"></div>
      <div class = "div" style = "background-color:red;"></div>
       
   </body>
   
</html>
jQuery.after()
The after( content ) method inserts content after each of the matched elements. Here is the description of all the parameters used by this method −
content − Content to insert after each target. This could be HTML or Text content
You can try to run the following code to learn how to work with after() method in jQuery:
Live Demo
<html>

   <head>
      <title>jQuery after() method</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
       
      <script>
         $(document).ready(function() {
            $("div").click(function () {
               $(this).after('<div class = "div"></div>' );
            });
         });
      </script>
       
      <style>
         .div {
             margin:10px;
             padding:12px;
             border:2px solid #666;
             width:60px;
         }
      </style>
   </head>
   
   <body>
   
      <p>Click on any square below to see the result:</p>
       
      <div class = "div" style = "background-color:blue;"></div>
      <div class = "div" style = "background-color:green;"></div>
      <div class = "div" style = "background-color:red;"></div>
       
   </body>
   
</html>
jQuery.before()
The before( content ) method inserts content before each of the matched elements. Here is the description of the parameters used by this method −
content − Content to insert before each target. This could be HTML or Text content
You can try to run the following code to learn how to work with jQuery before() method:
Live Demo
<html>

   <head>
      <title>jQuery before() method</title>
      <script src = "https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
       
      <script>
         $(document).ready(function() {
            $("div").click(function () {
               $(this).before('<div class = "div"></div>' );
            });
         });
      </script>
       
      <style>
         .div {
             margin:10px;
             padding:12px;
             border:2px solid #666;
             width:60px;
         }
      </style>
   </head>
   
   <body>
   
      <p>Click on any square below to see the result:</p>
      <div class = "div" style = "background-color:blue;"></div>
      <div class = "div" style = "background-color:green;"></div>
      <div class = "div" style = "background-color:red;"></div>
       
   </body>
</html>