only-child selector
Description: Selects all elements that are the only child of their parent.
jQuery(':only-child')
version added: 1.1.4
If the parent has other child elements, nothing is matched.
Examples
Finds the button with no siblings in each matched div and modifies look.Full source:
<!DOCTYPE html> <html> <head> <script src="http://code.jquery.com/jquery-latest.js"></script> <script> $(document).ready(function(){ $("div button:only-child").text("Alone").css("border", "2px blue solid"); }); </script> <style> div { width:100px; height:80px; margin:5px; float:left; background:#b9e } </style> </head> <body> <div> <button>Sibling!</button> <button>Sibling!</button> </div> <div> <button>Sibling!</button> </div> <div> None </div> <div> <button>Sibling!</button> <button>Sibling!</button> <button>Sibling!</button> </div> <div> <button>Sibling!</button> </div> </body> </html>
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