模态对话框练习
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
body{
margin: 0;
}
.hide{
display: none;
}
.a1{
}
.a2{
position:fixed;
left:0;
top:0;
right:0;
bottom:0;
background-color:black;
opacity:0.6;
z-index:9;
}
.a3{
width:500px;
height:400px;
background-color:white;
position:fixed;
left:50%;
top:50%;
margin-left:-250px;
margin-top:-200px;
z-index:10;
}
</style>
</head>
<body>
<div class="a1 ">
<input type="button" value="按钮" onclick="f1()">
</div>
<div class="a2 hide"></div>
<div class="a3 hide">
<input type="button" value="按钮" onclick="f2()">
</div>
<script src="jquery-1.12.4.min.js"></script> <script>
function f1() {
$('.a2').removeClass('hide').parent().children('.a3').removeClass('hide');
}
function f2() {
$('.a2').addClass('hide').parent().children('.a3').addClass('hide');
}
</script>
</body>
</html>