Edit in JSFiddle

module.exports=
/*.............
...............
...............
...............
.............*/

function (){/*......
....................
....................
.PUT.YOUR.CODE.HERE.
....................
....................
.................*/}
<canvas id=c></canvas>
<script>eval("c.width\
=c.height=a=160;c.sty\
le.background='#'+a;c\
=c.getContext('2d');c\
.font='700 80px Arial\
';c.fillText('JS',60,\
a)")</script>Developer