要求:

  • 页面包含两个HTML元素:一个按钮,一个小方块
  • 动画要求:点击按钮,小方块从页面坐标300,300,加速移动到0,0
相关知识点:
  • jQuery动画方法animate
  • easing参数的设置

 

  

<!DOCTYPE html>
<html lang="zh">
    <head>
        <meta charset="utf-8">
        <title>实现页面元素加速动画效果</title>
        <style type="text/css">
            .btn {
                border: 1px solid #fff;
                border-radius: 4px;
                background-color: #5cb85c;
                width: 60px;
                height: 30px;
                line-height: 30px;
                text-align: center;
                color: #fff;
                cursor: pointer;
            }
            .btn:hover {
                background-color: #449D44;
            }
            .ball {
                position: absolute;
                left: 10px;
                top: 60px;
                background-color: #337AB7;
                width: 50px;
                height: 50px;
                border-radius: 50px;
            }
        </style>
        <script type="text/javascript" src="jquery-1.11.0.js"></script>
        <script type="text/javascript" src="jquery.easing.1.3.js"></script>
        <script type="text/javascript">
            $(function() {
                var $div = $('.btn'),
                    $ball = $('.ball');
                $div.on('click', function() {
                    $ball.animate({left: '200px', top: '200px'}, 'slow', 'jswing');
                })
            });
        </script>
    </head>
    <body>
        <div class="btn">开始</div>
        <div class="ball"></div>
    </body>
</html>

 

posted on 2015-01-30 00:59  爱生活的夜  阅读(238)  评论(0编辑  收藏  举报