▁user ▁interface ▁libraries , ▁which ▁find ▁their ▁way ▁into ▁the ▁web ▁applications ▁developed ▁by ▁these ▁companies . ▁ ▁Some ▁JavaScript ▁libraries ▁allow ▁for ▁easier ▁integration ▁of ▁JavaScript ▁with ▁other ▁web ▁development ▁techn ologies , ▁such ▁as ▁CSS , ▁PHP , ▁Ruby , ▁and ▁Java . ▁Many ▁libraries ▁include ▁code ▁to ▁detect ▁differences ▁between ▁runtime ▁environments , ▁and ▁remove ▁the ▁need ▁for ▁applications ▁to ▁allow ▁for ▁such ▁incons isten cies . ▁ ▁Al most ▁all ▁JavaScript ▁libraries ▁are ▁released ▁under ▁either ▁a ▁copy center ▁or ▁cop yle ft ▁license ▁to ▁ensure ▁license - free ▁distribution , ▁usage , ▁and ▁modification . ▁ ▁Frame works ▁Some ▁JavaScript ▁libraries , ▁such ▁as ▁Angular , ▁are ▁class ified ▁as ▁frameworks ▁since ▁they ▁exhib it ▁full - stack ▁capabilities ▁and ▁properties ▁not ▁found ▁in ▁general ▁JavaScript ▁libraries . ▁ ▁See ▁also ▁ ▁Ajax ▁framework ▁ ▁Widget ▁tool kit ▁ ▁List ▁of ▁JavaScript ▁libraries ▁ ▁Com parison ▁of ▁JavaScript ▁frameworks ▁ ▁References ▁▁ ▁Category : JavaScript <0x0A> </s> ▁The ▁H ose ' s ▁part ridge ▁( R h iz other a ▁d ul it ensis ), ▁also ▁known ▁as ▁D ul it ▁part ridge , ▁has ▁been ▁considered ▁a ▁distinct ive ▁sub species ▁of ▁the ▁long - bil led ▁part ridge , ▁a ▁bird ▁in ▁the ▁Ph as ian idae , ▁or ▁p he asant , ▁family . ▁ ▁It ▁is ▁en demic ▁to ▁Bor neo , ▁where ▁it ▁appears ▁to ▁be ▁separated ▁alt itud in ally ▁from ▁the ▁nomin ate ▁sub species , ▁and ▁is ▁often ▁considered ▁now