[VIM] Syntastic : Automatic syntax checking

vim ~/.vimrc or ~/.vim/vimrc

# error symbol, enable highlight, warning_symbol

" syntastic {{{
let g:syntastic_error_symbol='✗'
let g:syntastic_warning_symbol='⚠'
let g:syntastic_enable_highlighting = 1
let g:syntastic_stl_format = '[%E{Err: %fe #%e}%B{, }%W{Warn: %fw #%w}]'


" }}}

Reference:
1.Syntastic : Automatic syntax checking
2.规范 Javascript 代码的开源利器：JSHint