Fixed JS gen for generic array types.
Fixed JS gen for generic array types.

jfhg/Nim,tmm1/Nim,sarvex/Nim-lang,nanoant/Nim,jsanjuas/Nim,russpowers/Nim,nanoant/Nim,endragor/Nim,tmm1/Nim,greyanubis/Nim,sarvex/Nim-lang,Dhertz/Nim,endragor/Nim,singularperturbation/Nim,jfhg/Nim,endragor/Nim,zachaysan/Nim,Dhertz/Nim,tmm1/Nim,mbaulch/Nim,tulayang/Nim,Dhertz/Nim,tmm1/Nim,singularperturbation/Nim,endragor/Nim,jsanjuas/Nim,bvssvni/Nim,singularperturbation/Nim,sarvex/Nim-lang,nanoant/Nim,msmith491/Nim,bvssvni/Nim,endragor/Nim,jsanjuas/Nim,mbaulch/Nim,bvssvni/Nim,nanoant/Nim,tmm1/Nim,russpowers/Nim,mbaulch/Nim,singularperturbation/Nim,tulayang/Nim,Matt14916/Nim,greyanubis/Nim,Dhertz/Nim,tmm1/Nim,greyanubis/Nim,mbaulch/Nim,zachaysan/Nim,haiodo/Nim,sarvex/Nim-lang,tulayang/Nim,bvssvni/Nim,msmith491/Nim,dom96/Nim,Matt14916/Nim,haiodo/Nim,haiodo/Nim,Dhertz/Nim,russpowers/Nim,haiodo/Nim,bvssvni/Nim,zachaysan/Nim,russpowers/Nim,bvssvni/Nim,jsanjuas/Nim,nanoant/Nim,zachaysan/Nim,tulayang/Nim,Dhertz/Nim,msmith491/Nim,dom96/Nim,singularperturbation/Nim,haiodo/Nim,russpowers/Nim,nanoant/Nim,jfhg/Nim,jsanjuas/Nim,greyanubis/Nim,Matt14916/Nim,jsanjuas/Nim,Matt14916/Nim,sarvex/Nim-lang,sarvex/Nim-lang,Matt14916/Nim,russpowers/Nim,msmith491/Nim,jfhg/Nim,msmith491/Nim,zachaysan/Nim,dom96/Nim,msmith491/Nim,greyanubis/Nim,tulayang/Nim,mbaulch/Nim,greyanubis/Nim,jfhg/Nim,tmm1/Nim,russpowers/Nim,greyanubis/Nim,dom96/Nim,bvssvni/Nim,mbaulch/Nim,jfhg/Nim,haiodo/Nim,singularperturbation/Nim,tulayang/Nim,singularperturbation/Nim,endragor/Nim,jsanjuas/Nim,zachaysan/Nim,dom96/Nim,dom96/Nim,msmith491/Nim,nanoant/Nim,jfhg/Nim,sarvex/Nim-lang,haiodo/Nim,mbaulch/Nim,Matt14916/Nim,Dhertz/Nim,dom96/Nim,Matt14916/Nim,endragor/Nim,zachaysan/Nim