jQuery Tutorial

jQuery DOM insertion - prepend method

prepend method

prepend() method is used to insert the specified html content to the beginning of each element in the jQuery collection.

.prepend(content [, content])

here content type can be html string, Element, Text, Array or jQuery. DOM element, text node, array of elements and text nodes, HTML string, or jQuery object to insert at the beginning of each element in the set of matched elements.

Insert HTML Content Inside Another HTML Element

here appends html content in the beginning inside of each html element having class 'codingpointer'.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').append("<div>Test Section</div>");
        });
      </script>		
   </head>	
   <body>
   <div>
     <div class="codingpointer">Hello</div>
     <div class="codingpointer">Goodbye</div>
  </div>
   </body>
</html>

HTML document is updated as below once prepend method is executed.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend("<div>Test Section</div>");
        });
      </script>		
   </head>	
   <body>
   <div>
     <div class="codingpointer">
       <div>Test Section</div>
       Hello
     </div>
     <div class="codingpointer">
       <div>Test Section</div>
       Goodbye
     </div>
  </div>
   </body>
</html>

Output:

     
         Test Section
         Hello
     
     
         Test Section
         Goodbye

Move HTML Element Inside Another HTML Element

here selects the html element 'p' and appends html element 'p' in the beginning inside of each html element having class 'codingpointer'.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend($("p"));
        });
      </script>		
   </head>	
   <body>
   <p>Test Section</>
   <div>
     <div class="codingpointer">Hello</div>
     <div class="codingpointer">Goodbye</div>
  </div>
   </body>
</html>

HTML document is updated as below once prepend method is executed.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').append($("p"));
        });
      </script>		
   </head>	
   <body>
   <div>
     <div class="codingpointer">
       <p>Test Section</>
       Hello
     </div>
     <div class="codingpointer">
        <p>Test Section</>
       Goodbye
     </div>
  </div>
   </body>
</html>

Output:

     
         Test Section
         Hello
     
     
         Test Section
         Goodbye

Insert Text Inside Another HTML Element

here appends text in the beginning inside of each html element having class 'codingpointer'.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend("codingpointer ");
        });
      </script>		
   </head>	
   <body>
   <div>
     <div class="codingpointer">Hello</div>
     <div class="codingpointer">Goodbye</div>
  </div>
   </body>
</html>

HTML document is updated as below once prepend method is executed.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend("codingpointer ");
        });
      </script>		
   </head>	
   <body>
   <div>
     <div class="codingpointer">codingpointer Hello</div>
     <div class="codingpointer">codingpointer Goodbye</div>
  </div>
   </body>
</html>

Output:

     
         codingpointer
         Hello
     
     
         codingpointer
         Goodbye

prepend method with function parameter

function return value is inserted in the beginning inside of each HTML element having class 'codingpointer'.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend(function(index, html) { return " step "+ (index+1).toString() +" " + html;});
        });
      </script>		
   </head>	
   <body>
   <p>Test Section</p>
   <div>
     <div class="codingpointer">Hello</div>
     <div class="codingpointer">Goodbye</div>
  </div>
   </body>
</html>

HTML document is updated as below once append method is executed.

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend(function(index, html) { return "Step "+ index.toString() +": " + html+" ";});
        });
      </script>		
   </head>	
   <body>
   <p>Test Section</p>
   <div>
     <div class="codingpointer">Step 1: Hello Hello</div>
     <div class="codingpointer">Step 2: Goodbye Goodbye</div>
  </div>
   </body>
</html>

Output:

     
         Step 1: Hello
         Hello
     
     
         Step 2: Goodbye
         Goodbye

prepend method with inserting multiple parameters

<html>
   <head>
      <title>The jQuery Example</title>
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>		
      <script type = "text/javascript">
	
        $(document).ready(function(){
          $('.codingpointer').prepend('test1' , 'test2', 'test3');
        });
      </script>		
   </head>	
   <body>
   <p>Test Section</p>
   <div>
     <div class="codingpointer">Hello</div>
     <div class="codingpointer">Goodbye</div>
  </div>
   </body>
</html>

Output:

     
         test1
         test2
         test3
         Hello
     
     
         test1
         test2
         test3
         Goodbye

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