Answer1215

摘要： First, What is directive, what is the difference between component and directive. For my understanding, component is something like 'canvas', 'form', 阅读全文

摘要： The application is simple, to build a color picker: When click the rect box, it will check the color value below and title color will also change. col 阅读全文

摘要： Create a index.html: Index.html works as an App Shell, which render meanful pixel onto the screen. And our module will be rendered when the data bindi 阅读全文

摘要： Monads allow you to nest computations. They are a pointed functor that adds mjoin and chain functions to combine other functors. Brian shows a number 阅读全文

摘要： Functor laws: 1. Identity: 2. Composition: Natural Transformations: "Takes one functor to another without knowing anything about the value". 阅读全文

摘要： EventStream: You can use RxJS, BaconJS or any reactive programming lib you want: Here using BaconJS; we need to call onValue to subscribe stream. Futu 阅读全文

摘要： IO functor doesn't like Maybe(), Either() functors. Instead of get a value, it takes a function. API: Examples: 阅读全文

摘要： Traditionally you had to create DOM elements to test a directive but by shifting our focus to components, writing unit tests got a lot easier using $c 阅读全文

摘要： Managing state is one of the hardest things to do in any application. Angular 2 tackles this problem by making it easy to implement a reactive, uni-di 阅读全文

摘要： Jest comes pre-packaged with the ability to track code coverage for the modules you're testing, but it takes a little extra work to make it track unte 阅读全文