how to use Jquery AJAX in Joomla Components?

Question

i m developing site in Joomla, meanwhile i stuck in a problem,please help me in below problem

here is my folder structure for component

htdocs/Joomla         


        

Answer 1

1 - copy main index.php (joomlaRoot/index.php) of joomla and rename it to any name (for example: joomlaRoot/ajax.php).

2 - disable render method ($mainframe->render();)

3 - copy this code under the render method line:

/***/
$document =& JFactory::getDocument();
$content=$document->getBuffer();
foreach($content as $var){
    foreach($var as $var2){
        echo $var2;
    }
}

/**/