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<!DOCTYPE html>
< html lang = 'en' > < head > < meta http-equiv = 'content-type' content = 'text/html; charset=UTF-8' / > < / head > < body >
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< div data-role = "page" >
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< div data-role = "header" >
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< h1 > :first Selector< / h1 >
< / div >
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< div data-role = "content" data-theme = "c" id = "first1" >
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< h2 class = "jq-clearfix roundTop section-title" >
< span class = "name" > first< / span > selector< / h2 >
< div class = " entry-details" >
< h4 class = "name" >
< span class = "versionAdded" > version added: < a href = "/version/1.0/" > 1.0< / a > < / span > jQuery(':first')< / h4 >
< p class = "desc" > < strong > Description: < / strong > Selects the first matched element.< / p >
< div class = "longdesc" > < p > The < code > :first< / code > pseudo-class is equivalent to < code > :eq(0)< / code > . It could also be written as < code > :lt(1)< / code > . While this matches only a single element, < a href = "first-child-selector" > :first-child< / a > can match more than one: One for each parent.< / p > < / div >
< h3 > Example:< / h3 >
< div id = "entry-examples" class = "entry-examples" > < div id = "example-0" >
< h4 > < span class = "desc" > Finds the first table row.< / span > < / h4 >
< pre > < code class = "example demo-code" > < !DOCTYPE html>
< html>
< head>
< style>
td { color:blue; font-weight:bold; }
< /style>
< script src="http://code.jquery.com/jquery-latest.js"> < /script>
< /head>
< body>
< table>
< tr> < td> Row 1< /td> < /tr>
< tr> < td> Row 2< /td> < /tr>
< tr> < td> Row 3< /td> < /tr>
< /table>
< script> $("tr:first").css("font-style", "italic");< /script>
< /body>
< /html> < / code > < / pre >
< h4 > Demo:< / h4 >
< div class = "demo code-demo" > < / div >
< / div > < / div >
< / div >
< / div >
< / div >
< / body > < / html >