jquery append

var newDiv = $('<div>My new div</div>');  //create Div Element w/ jquery
$( "#someOtherElement" ).append(newDiv); //append new div somewhere

$('#someParent').append('<div>I am new here</div>');    

$("p").append(" <b>Appended text</b>.");

<div class="container">
  <h2>Greetings</h2>
  <div class="inner">Hello</div>
  <div class="inner">Goodbye</div>
</div>
<script>$( "<p>Test</p>" ).insertAfter( ".inner" );</script>

$("p").append(" <b>You can write your Text Here </b>.");