jQuery Syntax
<!DOCTYPE html> <html> <head> <script src="https://code.jquery.com/jquery-3.7.1.min.js"></script> </head> <body> <p>Sample paragraph</p> <h2 id="title">Original Title</h2> <div class="card">Card content</div> <script> $("p").hide(); $("#title").text("Hello"); $(".card").addClass("active"); </script> </body> </html>