You can try to run the following code to write a jQuery selector to find links with # in href. Here,^ is used to find links starting with # in href.
<!DOCTYPE html> <html> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> <script> $(document).ready(function(){ $('a[href^="#"]').click(function(){ alert('Success! Selected link starting with # in href.'); }); }); </script> </head> <body> <a href="#demo" title="new" >Demo</a><br> <a href="/cplusplus/" title="C++ Tutorial" >C++</a> </body> </html>