<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title>qwer</title><base target="_blank" /> <meta charset="utf-8" /> <style type="text/css"> a{color:pink;font-size:32px} a.hovertree{text-decoration:none;font-size:32px;color:blue} a.hovertree:visited{color: #333333;} a.hovertree:hover { color: #00FF00; text-decoration:underline; } </style> <script src="http://hovertree.com/ziyuan/jquery/jquery-1.11.3.min.js"></script> <script> //改变全部链接颜色 function changeAllHovertree(color) { if (color == undefined || color == "") color = "red"; $("a").on("mouseover", function () { $(this).css("color", color) }).on("mouseleave", function () { $(this).css("color", "") }) } //改变指定链接颜色 function changeHovertree(idhovertree, classhovertree, color) { if (color == undefined || color == "") color = "red"; if (classhovertree == undefined || classhovertree == "") classhovertree = ".hovert" + "ree"; else classhovertree = "." + classhovertree; if (idhovertree == '') $("a" + classhovertree).on("mouseover", function () { $(this).css("color", color) }).on("mouseleave", function () { $(this).css("color", "") }) else $("#" + idhovertree).on("mouseover", function () { $("#" + idhovertree).css("color", color) }).on("mouseleave", function () { $("#" + idhovertree).css("color", "") }) } </script> </head> <body> <div><br /><input type="button" value="改变下面全部链接鼠标经过的颜色" onclick="changeHovertree('')" /><br /> <a id="ahovertree" href="http://www.baidu.com" class="hovertree">原文</a> <input type="button" value="改变鼠标经过颜色" onclick="changeHovertree('ahovert'+'ree')" /><br /> <a id="bhovertree" href="http://www.baidu.com/" class="hovertree">jQuery</a> <input type="button" value="改变鼠标经过颜色为粉色" onclick="changeHovertree('bhovertree', '', 'pink')" /><br /> <a id="chovertree" href="http://www.baidu.com/" class="hovertree">JQuery实现锚点平滑滚动</a> <input type="button" value="改变鼠标经过颜色" onclick="changeHovertree('chov'+'ertree')" /><br /> <a id="dhovertree" href="http://hovertree.com/hvtart/bjae/vgkgit00.htm" class="hovertree">哎呦，不错哦，JavaScript</a> <input type="button" value="改变鼠标经过颜色" onclick="changeHovertree('dhover'+'tree')" /><br /> <a id="ehovertree" href="http://www.baidu.com/" class="hovertree">下雨特效</a> <input type="button" value="改变鼠标经过颜色" onclick="changeHovertree('eh'+'overtree')" /><br /> <input type="button" value="改变页面中全部链接鼠标经过的颜色为浅灰色" onclick="changeAllHovertree('silver')" /> </div> </body> </html>