[рони]

ami_moor,
вариант ...

var size = 30,
        newsContent = $(".gkTabsItem.active p"),
        newsText = newsContent.text();
    if (newsText.length > size) {
        newsContent.contents().filter(function() {
            return this.nodeType == 3
        }).remove();
        newsContent.append(newsText.slice(0, size) + " ...")
    }