基于jQuery鼠标点击水波动画竖直导航代码。这是一款基于jQuery+CSS3实现的带动画效果的竖直导航栏特效。效果图如下：

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实现的代码。

html代码：

  <div class="nav">
        <ul>
            <li><a>网站首页</a></li>
            <li><a>关于我们</a></li>
            <li><a>产品中心</a></li>
            <li><a>成功案例</a></li>
            <li><a>联系我们</a></li>
            <li><a>在线留言</a></li>
        </ul>
    </div>

    <script type="text/javascript" src="js/jquery.min.js"></script>
    <script type="text/javascript">
        //jQuery time
        var parent, ink, d, x, y;
        $(".nav ul li a").click(function (e) {
            parent = $(this).parent();
            //create .ink element if it doesn't exist
            if (parent.find(".ink").length == 0)
                parent.prepend("<span class='ink'></span>");

            ink = parent.find(".ink");
            //incase of quick double clicks stop the previous animation
            ink.removeClass("animate");

            //set size of .ink
            if (!ink.height() && !ink.width()) {
                //use parent's width or height whichever is larger for the diameter to make a circle which can cover the entire element.
                d = Math.max(parent.outerWidth(), parent.outerHeight());
                ink.css({ height: d, width: d });
            }

            //get click coordinates
            //logic = click coordinates relative to page - parent's position relative to page - half of self height/width to make it controllable from the center;
            x = e.pageX - parent.offset().left - ink.width() / 2;
            y = e.pageY - parent.offset().top - ink.height() / 2;

            //set the position and add class .animate
            ink.css({ top: y + 'px', left: x + 'px' }).addClass("animate");
        })
    </script>

via：http://www.w2bc.com/article/2015-12-04-jquery-click-animate-nav

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