\lstdefinelanguage{javascript}
{morekeywords={if,else,for,do,while,function,let,new,return,var,print},
sensitive=true,
morecomment=[l]{//},
%morecomment=[s]{/*}{*/},
%morestring=[b]",
}
\lstset{%
basicstyle=\footnotesize,
language=javascript,
tabsize=1,
breaklines=true}
