<script type="text/javascript"> $(document).ready(function() { $.featureList( $("#tabs li a"), $("#output li"), { start_item : 0 } ); }); </script> https://m-school.biz/dev/css-coding/043-jquery-plug-in.htm https://proengineer.internous.co.jp/content/columnfeature/12578 ●jQuery_Sample1.html -------------------- <!DOCTYPE html> <html> <head> <title>Introduction to jQuery</title> <script src="https://code.jquery.com/jquery-3.3.1.js" integrity="sha256-2Kok7MbOyxpgUVvAk/HJ2jigOSYS2auK4Pfzbm7uH60=" crossorigin="anonymous"> </script> <script> $(document).ready(function(){ $("p").css("color", "red"); }); </script> </head> <body> <p>段落タグのテキストをjQueryで赤にしています。</p> </body> </html>