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This lesson discusses when and how to add dependencies, resolved by Angular’s DI, to factory providers. The example used in this lesson builts upon th 阅读全文
posted @ 2016-09-17 03:30
Zhentiw
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In this lesson, we discuss how and when to use factory providers, to enable dependencies that shouldn’t be available to Angular’s DI. If you have this 阅读全文
posted @ 2016-09-16 19:42
Zhentiw
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In this lesson, we’re going to take a look at how add a class to the providers property of a component creates an actual providers. We’ll learn what a 阅读全文
posted @ 2016-09-16 19:34
Zhentiw
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In previous artical, we introduce the how to use *ngFor. The limitation for previous solution to display all the heros is we hard cord all heros in ou 阅读全文
posted @ 2016-09-14 23:13
Zhentiw
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heros.ts: here we can also use: heroes.component.css: 阅读全文
posted @ 2016-09-14 16:11
Zhentiw
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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
posted @ 2016-09-14 04:57
Zhentiw
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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
posted @ 2016-09-14 01:44
Zhentiw
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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
posted @ 2016-09-13 15:22
Zhentiw
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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
posted @ 2016-09-12 04:04
Zhentiw
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Functor laws: 1. Identity: 2. Composition: Natural Transformations: "Takes one functor to another without knowing anything about the value". 阅读全文
posted @ 2016-09-12 03:38
Zhentiw
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