jQuery :only-of-type 选择器
jQuery 中的 :only-of-type 选择器用来选择属于其父元素类型的唯一子元素。
语法
语法如下所示 -
$(":only-of-type")
示例
我们现在来看一个示例,以实现 jQuery :only-of-type 选择器 -
<!DOCTYPE html> <html> <head> <style> .one { color: white; background-color: orange; font-size: 16px; border: 2px blue dashed; } </style> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("p:only-of-type").addClass("one"); }); </script> </head> <body> <h1>Match Details</h1> <p>One</p> <p>Two</p> <div style="border:1px solid;"> <p>Date: 29th October 2019</p> <p>Timings: 3PM TO 8PM</p> <p>Ground: DY Patil</p> </div><br> <div style="border:1px solid;"> <span>Match Cancelled</span> <p>Ground: Indore Stadium</p> </div><br> <div style="border:1px solid;"> <p>Date: 29th October 2019</p> <p>Timings: 8PM TO 11PM</p> <p>Ground: Eden Gardens</p> </div> <div style="border:1px solid;"> <p>Date: 30th October 2019</p> </div> <p>Three</p> </body> </html>
输出
这将生成以下输出 -
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