November 2019
Beginner
804 pages
20h 1m
English
Content preview from Learn TypeScript 3 by Building Web Applications
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Broadcasting state changes
Another solution that was popular a few years ago was to use a broadcasting mechanism, through which application code would simply emit custom global events, along with arbitrary data. The rest of the application was then able to retrieve the data and react to the changes by listening to those global events.
The advantage of broadcasting is that different and unconnected application components can easily communicate without us having to introduce strong coupling and without us needing many unrelated components to participate in the data exchange.
Broadcasting was actually supported in Vue.js 1.x through $broadcast, as well as in older AngularJS versions through $rootScope.$broadcast. These were never heavily recommended ...
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