autocomplete in vim no plugins needed

HTML

autocmd FileType html set omnifunc=htmlcomplete#CompleteTags

• then ctrl X ctrl o on tag to show list
• ctrl n/ ctrl p to move through the list

CSS

autocmd FileType css set omnifunc=csscomplete#CompleteCSS

Javascript

autocmd FileType javascript set omnifunc=javascriptcomplete#CompleteJS

Filenames

• ctrl x ctrl f
• ctrl n/ ctrl p