javascript - Are there any side-effects of using public libraries in coding -


i'm considering build real time line chart. been searching around find suggestions providing outside libraries code like post download , configure goal achieved.

but,it possible make real time line chart write ajax,css,html etc. myself,it take more time(due unprofessional skill)

what pros , cons of using others libraries , write myself?

one disadvantage in past using javascript libraries libraries tend rather large , perhaps include quite lot of code individual web pages don't use.

an advantage using library handles 90% of processing need have run means need write remaining 10%.


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