js代码

<script src="js/jquery-1.8.3.min.js"></script>
<script src="js/money.js"></script>
<script src="js/pen.js"></script>
<script src="js/body.js"></script>
<script src="js/requestNextAnimationFrame.js"></script>
    <script type="text/javascript">
        function set_meta() {
            var body_width = document.documentElement.clientWidth;
            var get_scale = (body_width / 2) / 640;
            var get_content = "width=device-width, initial-scale=" + get_scale + ", minimum-scale=" + get_scale + ", maximum-scale=" + get_scale;
            document.getElementById("viewport").setAttribute('content', get_content);
        }
        set_meta();
    </script>
    <script>
        var canvas = document.getElementById('canvas');
        var context = canvas.getContext('2d');
        var canvasWidth = 640;
        var canvasHeight = 1008;
       
        var isEnd = false;//游戏结束
        var five_num_left = 0;
        var ten_num_left = 0;
        var empty_num_left = 0;
		var five_num=0;
		var ten_num=0;
		var empty_num=0;
		var zad_num=0
		var score = 0;
		
      
        var body;

        function animate(now) {
            body.clear();
            body.draw();
            if (!isEnd) {
                requestNextAnimationFrame(animate);
            }       
        }
        
        $().ready(function () {
            body = new Body();
            timedCount();
            window.requestNextAnimationFrame(animate);
        })

        var time = 20;
        var clock;
        function timedCount() {
            $("#clock").html(time + "秒");
            if (time <= 0) {
                clearTimeout(clock);
                this.isEnd = true;

            } else {
                time = time - 1;
                clock = setTimeout("timedCount()", 1000);
            }
        }
    </script>