jquery实现
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>文字提示</title> <!-- 引入jQuery --> <script src="../../scripts/jquery.js" type="text/javascript"></script> <style type="text/css"> body{ margin:0; padding:40px; background:#fff; font:80% Arial, Helvetica, sans-serif; color:#555; line-height:180%; } p{ clear:both; margin:0; padding:.5em 0; } /* tooltip */ #tooltip{ position:absolute; border:1px solid #333; background:#f7f5d1; padding:1px; color:#333; display:none; } </style> <script type="text/javascript"> //<![CDATA[ $(function(){ var x = 10; var y = 20; $("a.tooltip").mouseover(function(e){ this.myTitle = this.title; this.title = ""; var tooltip = "<div id='tooltip'>"+ this.myTitle +"</div>"; //创建 div 元素 $("body").append(tooltip); //把它追加到文档中 $("#tooltip") .css({ "top": (e.pageY+y) + "px", "left": (e.pageX+x) + "px" }).show("fast"); //设置x坐标和y坐标，并且显示 }).mouseout(function(){ this.title = this.myTitle; $("#tooltip").remove(); //移除 }).mousemove(function(e){ $("#tooltip") .css({ "top": (e.pageY+y) + "px", "left": (e.pageX+x) + "px" }); }); }) //]]> </script> </head> <body> <p><a href="#" class="tooltip" title="这是我的超链接提示1.">提示1.</a></p> <p><a href="#" class="tooltip" title="这是我的超链接提示2.">提示2.</a></p> <p><a href="#" title="这是自带提示1.">自带提示1.</a></p> <p><a href="#" title="这是自带提示2.">自带提示2.</a> </p> </body> </html>