目標:.thirdクラス内のpタグに赤い輪郭を付けない。
以下の自己完結型の例、またはここのjsfiddle:http: //jsfiddle.net/WJVBm/
緑のチェックマークを付けるのを必死に楽しみにしています...助けてくれてありがとう!
<!DOCTYPE html>
<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.0/jquery.min.js"></script>
<script type="text/javascript">
$(function() {
var myDivs = $('div');
var myFilteredDivs = myDivs.filter(function(){
return $(this).closest('.third').length == 0;
});
var myFilteredParagraphs = myFilteredDivs.find('p'); // why does this find paragraphs in divs that have already been filtered out of the collection?
myDivs.css('border', '1px solid #CCC');
myFilteredDivs.css('border', '1px solid blue');
myFilteredParagraphs.css('border', '1px solid red'); // paragraphs inside of divs that should not exist in the collection are still being outlined by a red border
});
</script>
<style type="text/css">
div { float: left; padding: 20px; margin: 5px; }
</style>
</head>
<body>
<div class="first">
<p>first</p>
<div class="second">
<p>second</p>
<div class="third">
<p>third</p>
</div>
</div>
<div class="second">
<p>second2</p>
</div>
<div class="third">
<p>third2</p>
</div>
</div>
</body>
</html>