jQuery Tutorial

jQuery DOM insertion - prependTo method

prependTo method

prependTo() method is used to insert every element in the set of matched elements to the beginning of the target.

.prependTo(target)

here target type can be either selector, html string, Element, Array or jQuery. The matched set of elements will be inserted at the beginning of the element(s) specified by this parameter.

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(){
          $("<div>Test Section</div>").prependTo('.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 prependTo 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(){
          $("<div>Test Section</div>").prependTo('.codingpointer');
        });
      </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

differences prependTo and prepend methods

.prepend() and .prependTo() methods perform the same task. Difference is in the syntax-specifically, in the placement of the content and target.

.prepend() method, the selector expression is preceding the container into which the content is inserted but .prependTo() method , html content precedes either as a selector expression or as markup created and it is inserted into the target container.

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(){
          $($("p")).prependTo('.codingpointer');
        });
      </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 append 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(){
          $($("p")).prependTo('.codingpointer');
        });
      </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 ').prependTo(".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 append 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 ').prependTo(".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

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