如何使用jQuery仅选择可见元素?
jQuery选择器:visible和:hidden尊重display:none是否真正隐藏?非可见性:隐藏或可见性:可见。
我知道他们在技术上不是隐藏的because they still take their space。我只想知道它们的状态,这样我就可以选中可见的复选框。
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>jQuery :visiblity Selector Test</title>
<script src="http://code.jquery.com/jquery-latest.js" type="text/javascript"></script>
<script type="text/javascript">
$(document).ready(function() {
$("#VisibleCount").text($("input[type=checkbox]:visible").length); //returns 3. I think it should be 2
$("#HiddenCount").text($("input[type=checkbox]:hidden").length); //returns 1. I think it should be 2
});
</script>
<style type="text/css">
#TestArea
{
border: solid red 1px;
}
#Results
{
background-color: Lime;
}
.container
{
border: solid black 1px;
}
</style>
</head>
<body>
<div id="TestArea">
<div class="container">
visibility: hidden;<div style="visibility: hidden;">
<input id="Checkbox1" type="checkbox" />
</div>
</div>
<div class="container">
visibility: visible;<div style="visibility: visible;">
<input id="Checkbox2" type="checkbox" />
</div>
</div>
<div class="container">
display: none;<div style="display: none;">
<input id="Checkbox3" type="checkbox" />
</div>
</div>
<div class="container">
display: inline;<div style="display: inline;">
<input id="Checkbox4" type="checkbox" />
</div>
</div>
</div>
<div id="Results">
<div>
Visible Count: <span id="VisibleCount"></span>
</div>
<div>
Hidden Count: <span id="HiddenCount"></span>
</div>
</div>
</body>
</html>
发布于 2010-02-17 19:01:21
您可以使用css
函数获取元素的样式,并使用filter
函数从元素集合中选择它们:
var visible = $('input[type=checkbox]').filter(function() {
return !($(this).css('visibility') == 'hidden' || $(this).css('display') == 'none');
});
https://stackoverflow.com/questions/2279926
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