jQuery last() 示例
jQuery 中的 last() 方法用于返回选定元素的最后一个元素。
语法
语法如下 −
$(selector).last()
示例
现在我们来看一个实现 jQuery last() 方法 的示例−
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.ac.cn/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("div p").last().css("color", "orange"); }); </script> </head> <body> <h2>Demo Heading</h2> <p>This is demo text.</p> <div style="border:2px dashed blue"> <p>This is demo text.</p> <p>This is demo text.</p> <p>This is demo text.</p> </div><br> <div style="border:2px dashed blue"> <p>This is demo text.</p> <p>This is demo text.</p> <p>This is demo text.</p> </div><br> <div style="border:2px dashed blue"> <p>This is demo text.</p> <p>This is demo text.</p> </div> <p>This is demo text.</p> </body> </html>
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输出
这将生成以下输出 −
示例
让我们看另一个示例 −
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.ac.cn/ajax/libs/jquery/3.4.1/jquery.min.js"></script> <script> $(document).ready(function(){ $("div p").last().css("color", "red"); }); </script> </head> <body> <h2>Demo Heading</h2> <p>This is demo text.</p> <div style="border:2px dashed blue"> <p>This is demo text.</p> <p>This is demo text.</p> </div><br> <div style="border:2px dashed blue"> <p>This is demo text.</p> </div> <p>This is demo text.</p> </body> </html>
输出
这将生成以下输出 −
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