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How to use jQuery to determine whether a Div is in the visible area Determine whether a div is visible_jquery

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WBOYOriginal
2016-05-16 15:15:161596browse



<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<title>js</title>
<script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function () {
$(window).scroll(function () {
var a = document.getElementById("eq").offsetTop;
if (a >= $(window).scrollTop() && a < ($(window).scrollTop()+$(window).height())) {
alert("div在可视范围");
}
});
});
</script>
</head>
<body>
<div style="width:1px;height:2000px;"></div>
<div id="eq" style=" width:100px; height:100px; background-color:Red;">1</div>
<div style="width:1px;height:2000px;"></div>
</body>
</html>

The above code is the method introduced by the editor to use jQuery to determine whether a Div is in the visible area. I hope it will be helpful to everyone. The next piece of code will introduce to you how jquery determines whether a div is hidden. The specific code is as follows: 

<!DOCTYPE
html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
jquery 如何判断div是否隐藏|
jquery判断div是否隐藏
<html
xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta
http-equiv="Content-Type"
content="text/html;
charset=utf-8" />
<title>绑定函数</title>
<script
src="jquery-1.3.2.js"></script>
<script>
$(document).ready(function(){
var
temp=
$("#test").is(":hidden");//是否隐藏
var
temp1=
$("#test").is(":visible");//是否可见
alert(temp) ;
alert(temp1) ;
});
</script>
</head>
<body>
<p
onclick='test()'>刷新测试</p>
<div
id="test" style="display:none"></div>
</body>
</html>
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