Try It Editor
Tip: Press
Ctrl/⌘ + Enter
to Run
▶ Run
Reset
Copy
Download
Code
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>addBack() & end()</title> <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script> <style>.hit{outline:2px solid #4caf50;}</style> </head> <body> <div id="wrap"> <p>First</p> <p>Second</p> <p>Third</p> </div> <button id="run">Run</button> <script> $("#run").click(function(){ $("#wrap").find("p").addBack().toggleClass("hit").end().last().toggleClass("hit"); // Explanation: find('p') -> selection stack has #wrap // addBack() includes #wrap in current set; end() goes back to find('p') set. }); </script> </body> </html>
Output