I included formfactor.js and 3 indicators.
<script type="text/javascript" src="formfactor.js"></script>
<script type="text/javascript" src="indicators/indicators.tv.js"></script>
<script type="text/javascript" src="indicators/indicators.tablet.js"></script>
<script type="text/javascript" src="indicators/indicators.desktop.js"></script>
and call factors function.
<script>
formfactor.factors();
</script>
in factors function, occured error: Can't find variable: formfactorActions