This is a working ctags config for use with vim and javascript. Note that if there is any busted options in this config, ctags will not use *any* of the other options! This means you cannot use comments or blank lines in this file!

.ctags

--recurse=yes
--tag-relative=yes
--exclude=.git
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*\{/\5/o,object/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*function[ \t]*\(/\5/f,function/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*\[/\5/a,array/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*[^"]'[^']*/\5/s,string/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*(true|false)/\5/b,boolean/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*[0-9]+/\5/n,number/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*=[ \t]*.+([,;=]|$)/\5/v,variable/
--regex-Javascript=/(,|(;|^)[ \t]*(var|let|([A-Za-z_$][A-Za-z0-9_$.]+\.)*))[ \t]*([A-Za-z0-9_$]+)[ \t]*[ \t]*([,;]|$)/\5/v,variable/
--regex-Javascript=/function[ \t]+([A-Za-z0-9_$]+)[ \t]*\([^)]*\)/\1/f,function/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*\{/\2/o,object/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*function[ \t]*\(/\2/f,function/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*\[/\2/a,array/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*[^"]'[^']*/\2/s,string/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*(true|false)/\2/b,boolean/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*[0-9]+/\2/n,number/
--regex-Javascript=/(,|^)[ \t]*([A-Za-z_$][A-Za-z0-9_$]+)[ \t]*:[ \t]*[^=]+([,;]|$)/\2/v,variable/