<img src="something.png" /><strong>asdasasdasdasdasd</strong>
asd
asd
asd
asd

$data = ['description' =>Mage::helper('core')->quoteEscape(htmlspecialchars($this->helper('catalog/output')->productAttribute($product, nl2br($product->getDescription()), 'description'), ENT_COMPAT, 'UTF-8', false)),]

var something = "<?php echo json_encode($this->getJson());?>";

asd
    asd
    asd
    asd