jQuery+css公告左から右へスクロール

$(function() {

    //     

    $(".notice-content").textScroll();

});



/**

 *         

 * @returns {undefined}

 */

$.fn.textScroll = function() {

    //     (        )

    var step_len = 60;

    var this_obj = $(this);

    var child = this_obj.children();

    var this_width = this_obj.width();

    var child_width = child.width();

    var continue_speed = undefined;//          

    //       

    child.css({

        left: this_width

    });



    //       speed

    var init_speed = (child_width + this_width) / step_len * 1000;



    //     

    function scroll_run(continue_speed) {

        var speed = (continue_speed == undefined ? init_speed : continue_speed);

        child.animate({

            left: -child_width

        }, speed, "linear", function() {

            $(this).css({

                left: this_width

            });

            scroll_run();

        });

    }



    //     

    child.on({

        mouseenter: function() {

            var current_left = $(this).position().left;

            $(this).stop();

            continue_speed = (-(-child_width - current_left) / step_len) * 1000;

        },

        mouseleave: function() {

            scroll_run(continue_speed);

            continue_speed = undefined;

        }

    });



    //     

    scroll_run();

};

                <div class="notice-title">  ：</div>

                <div class="notice-content">

                    <div class="notice-text"><span>    </span></div>

                </div>

.notice-title {

            color: #fff;

        }



        .notice-content {

            position: relative;

            width: 800px;

            height: 30px;

            white-space: nowrap;

            overflow: hidden;

            float: left;

            margin-left: 55px;

            margin-top: -30px;



            /*     

            background-color: #fff;

            filter:alpha(opacity=10);

            -moz-opacity:0.5;

            -khtml-opacity: 0.5;

            opacity: 0.5;

            */

        }

        .notice-text {

            color: red;

            font-size: 14px;

            position: absolute;

        }