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<!doctype html> <html lang="en"> <head> <title>jQuery :only-of-type Selector Select Only of Type List Item</title> <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script> <script> $(document).ready(function(){ $('.mybtnli').click(function(){ $( "ul li:only-of-type" ).css("background", "yellow"); }); }); </script> <style> .mylist{ border:1px solid #ccc; } </style> </head> <body> <h2>jQuery :only-of-type Selector Select Only of Type List Item</h2> <p><button type="button" class="mybtnli">Click to Select Only List Item</button></p> <ul class="mylist first"> <li>First item of first list.</li> <li>Second item of first list.</li> <li>Third item of first list.</li> </ul> <ul class="mylist second"> <li>First item of second list.</li> </ul> <ul class="mylist third"> <li>First item of third list.</li> <li>Second item of third list.</li> </ul> </body> </html>
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