Cover image by Fachstelle für Ãffentliche Bibliotheken NRW on Flickr. If you're a bit like me you probably think a lot about how to make your software even better. One big point of cause is, to increase the performance TO THE MAX. Today I'll tell you the well kept performance secrets senior JS devs hiding from you. 1. Global variables only Shadowing clutters your metal model of the software and of
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