点击对应的标签可以改变其背景颜色
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>lianxi1</title>
<style>
body, html ,ul{
padding: 0;
margin: 0;
}
ul{
width: 200px;
list-style: none;
/* border: 1px solid #333; */
}
.color{
width: 200px;
border: 1px solid #333;
margin: 0 auto;
}
.color>ul>li{
border-bottom: 1px solid #333;
}
</style>
</head>
<body>
<div class="color">
<ul>
<li class="gcolor">red</li>
<li class="gcolor">blue</li>
<li class="gcolor">green</li>
<li class="gcolor">yellow</li>
<li class="gcolor">organe</li>
<li class="gcolor">pink</li>
<li class="gcolor">purple</li>
</ul>
</div>
</body>
</html>
<script>
var ul = ('event');
var color = ('gcolor');
var vcolor = ['red', 'blue' ,'green','yellow','orange','pink','purple']
for(var i = 0 ;i <;i++){
//属性绑定
color[i].index = i;
color[i].a = true;
//事件的绑定
color[i].onclick = function(){
// ()
//this 是指向事件的调用者(color[i])
if(){
//设置背景颜色
color[]. = vcolor[];
= false;
}
else{
color[]. = "#fff";
= true;
}
}
}
</script>