问Javascript显示/隐藏-我不希望它隐藏整个元素

EN

<div class="toggle">ShowHide</div>
<div class="content">some content some content  some content  some content  some content <br/> some content  some content  some content </div>
<div class="toggle">ShowHide</div>
<div class="content">some content some content  some content  some content  some content <br/> some content  some content  some content </div>

jQuery.fn.myToggle = function(selector, count) {
    var methods = {
        toggle: function(selector, count) {
            if ($(selector).is(':visible')) {
                var span = $('<span>');
                span.text($(selector).text().substr(0, count) + "...");
                span.insertAfter($(selector));
                $(selector).hide();
            }
            else {
                $(selector).show();
                $(selector).next('span').hide();
            }
        }
    };
    $(this).each(function() {
        methods.toggle($(this).next(selector), count);
        $(this).click(function(evt) {
            methods.toggle($(this).next(selector), count);
        });
    });
};
$(function() {
    $('.toggle').myToggle('.content', 3);
});