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/ 14 Years ago, tue, december 28, 2010, 12:00:00
<html>
<head>
<script type=text/javascript src=jquery.js></script>
</head>
<body>
<ul>
<li><strong>list</strong> item 1 -
one strong tag</li>
<li><strong>list</strong> item <strong>2</strong> -
two <span>strong tags</span></li>
<li>list item 3</li>
<li>list item 4</li>
<li>list item 5</li>
<li>list item 6</li>
</ul>
<script type=text/javascript>
$('li').filter(function(index) {
return $('strong', this).length == 1;
}).css('background-color','red');
</script>
</body>
</html>
Given the HTML above, what's the meaning of the comma in the selector below?
return $('strong', this).length == 2;
What will happen if I remove the word 'strong'?
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