获取同胞元素
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title></title> <script src="jquery-3.4.1.min.js"></script> </head> <body> <div> <input type="text" id="blur" value="1234"/> <input type="button" id="blur1" /> </div> <script type="text/javascript"> $(function(){ //获取同胞元素 $("#blur1").click(function(){ var str = $("#blur1").siblings().val(); alert(str); }); }); </script> </body> </html>