jQuery 动态云标签插件

                var botm_ = a.css(‘bottom’).replace(‘px’,”); // 实时底部距离
                var opcy_ = parseFloat(new Number(a.css(‘opacity’))) + s_opcy;  // ++透明度
                var _opcy_ = parseFloat(new Number(a.css(‘opacity’))) – s_opcy; // –透明度
                var fall = botm_ – botm;  // 已移动的距离
                botm_ = new Number(botm_) + new Number(opts.move_step);
                a.css({
                    display: ‘block’,
                    bottom: botm_,
                });
               
                if(fall < n)
                { a.css({opacity: opcy_}) }
                else if(2*n < fall)
                { a.css({opacity: _opcy_}) }
                   
                if (botm_ >= space)
                {
                    clearInterval(s);
                    a.remove();
                }
            }
           
            function init() {
                if(aTag.children(‘a’).length >= new Number(opts.max_grain))
                return;