Having type checking is great, it saves from many errors, helps better understand code base, but it also has own price... most of solutions forcing learn own language superset, require compiling stage and generally slow down development. Is there any way to save JavaScript freedom and receive all typisation benefits? The answer is yes.
Way of Zattoo web platform from web site to progressive web application. Explanatory showcase of mobile and desktop applications made on pure HTML, CSS and JavaScript. Look into native markets delivery.
Sometimes catchup with all of this React Component lifecycles methods is hard, even for those who worked with part of them on daily basis. React v16.3 introduced some deprecations and some new ones. We will review and retrospect all of them with real-life usage samples.