好友选中

<style type="text/css">
*{ margin:0px auto; padding:0px; font-family:微软雅黑; font-size:16px;}

.f{ 200px; height:30px; background-color:#63C; color:white; text-align:center; line-height:30px; vertical-align:middle; margin-top:3px}
.f:hover{ cursor:pointer;}

</style>

</head>

<body>

<div style="200px; height:600px; margin-top:30px">

<div class="f" onclick="Xuan(this)" onmouseover="Bian(this)" onmouseout="Hui(this)" xz="0">张三</div>
<div class="f" onclick="Xuan(this)" onmouseover="Bian(this)" onmouseout="Hui(this)" xz="0">李四</div>
<div class="f" onclick="Xuan(this)" onmouseover="Bian(this)" onmouseout="Hui(this)" xz="0">王五</div>
<div class="f" onclick="Xuan(this)" onmouseover="Bian(this)" onmouseout="Hui(this)" xz="0">赵六</div>
<div class="f" onclick="Xuan(this)" onmouseover="Bian(this)" onmouseout="Hui(this)" xz="0">马七</div>

</div>

</body>
<script type="text/javascript">

function Xuan(a)
{
var attr = document.getElementsByClassName("f");

for(var i=0;i<attr.length;i++)
{
attr[i].style.backgroundColor = "#63C";
attr[i].setAttribute("xz","0");
}
a.setAttribute("xz","1");
a.style.backgroundColor = "#F63";
}

function Bian(a)
{
var attr = document.getElementsByClassName("f");

for(var i=0;i<attr.length;i++)
{
if(attr[i].getAttribute("xz")=="0")
{
attr[i].style.backgroundColor = "#63C";
}
}

a.style.backgroundColor = "#F63";
}


function Hui(a)
{
var attr = document.getElementsByClassName("f");

for(var i=0;i<attr.length;i++)
{
if(attr[i].getAttribute("xz")=="0")
{
attr[i].style.backgroundColor = "#63C";
}
}
}

</script>
</html>

原文地址:https://www.cnblogs.com/sq45711478/p/5905098.html