具有max lines属性的jQuery扩展器

$(document).ready(function () {
    var maxlines = 12;
    var lineheight = 15; // line height in 'px'
    var maxheight = (maxlines * lineheight);
    var allowedExtraLines = 3;
    var showText = "Læs mere...";
    var hideText = "Skjul tekst...";

    $('.Truncate').each(function () {
        var text = $(this);
        if (text.height() > maxheight + allowedExtraLines * lineheight) {
            text.css({ 'overflow': 'hidden', 'line-height': lineheight + 'px', 'height': maxheight + 'px' });

            var link = $('<a href="#">' + showText + '</a>');
            link.click(function (event) {
                event.preventDefault();

                if (text.css('height') == 'auto') {
                    $(this).html(showText);
                    text.css('height', maxheight + 'px');
                } else {
                    //$(this).remove();
                    $(this).html(hideText);
                    text.css('height', 'auto');
                }
            });

            var linkDiv = $('<div></div>');
            linkDiv.append(link);

            $(this).after(linkDiv);
        }
    });
});