Why does jQuery mask say it's not a function?
问题 When trying to use the jQuery mask() function, I get the following error in the console: TypeError: $(...).mask is not a function This is a sample of my code where this is happening: <html> <body> <input type='text' id='phone' /> </body> <script src="http://code.jquery.com/jquery-1.11.2.min.js"></script> <script> //alert($); $(document).ready(function(){ $("#phone").mask("(99) 9999-9999"); }); </script> </html> How do I fix this? 回答1: Jquery mask is a plugin. You can directly add this line in