head> <script src="httpsss://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
或者下載 jquery
httpss://jquery.com/download/
<head> <script src="jquery-3.5.1.min.js"></script> </head>
head> <script src="httpsss://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head>
或者下載 jquery
httpss://jquery.com/download/
<head> <script src="jquery-3.5.1.min.js"></script> </head>