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鼠标经过改变颜色

2015-12-21 20:22 429 查看 
<!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>
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