Yii: ajax links in ajax request, do not load jquery.js/core scripts

MyController.php

<?php

class MyController extends Controller
{
    // ...
    
    public function actionAjaxAction()
    {
        // do something

        $content = $this->renderPartial('viewFile', array(/*data*/), true, false);
        Yii::app()->clientScript->renderBodyEnd($content);
        echo $content;
    }
    // ...
}