关于用jQuery实现效果
1、效果1：关于新闻信息文字上下切换<divid="scrollNews"><ul><li><span class="plin">July 12,2009 4:30 pm</span>AR Update: Rolling Stones concert canceled for July 22 in Los Angeles.</li><li><span class="plin">July 12,2009 4:30 pm</span>AR Update: Rolling Stones concert canceled for July 22 in Los Angeles.</li></ul></div>
/*AR new*/$(function(){ var $this = $("#scrollNews");var scrollTimer;$this.hover(function(){clearInterval(scrollTimer); },function(){ scrollTimer = setInterval(function(){ scrollNews( $this );}, 3000 );}).trigger("mouseleave");});function scrollNews(obj){ var $self = obj.find("ul:first"); var lineHeight = $self.find("li:first").height(); //获取行高 $self.animate({ "marginTop" : -lineHeight +"px" }, 600 , function(){ $self.css({marginTop:0}).find("li:first").appendTo($self); //appendTo能直接移动元素 })}
2、效果2：将模块展开和关闭
/*模块展开和关闭*/$(function(){ $(".module_up_down").toggle(function(){var $self = $(this);$self.prev().slideToggle(600,function(){$("img",$self).attr("src","images/up.gif");}); },function(){var $self = $(this);$self.prev().slideToggle(600,function(){$("img",$self).attr("src","images/down.gif");}); })})
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