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Dependecies aren’t always objects created by classes or factory functions. Sometimes, all we really want is inject a simple value, which can be a prim 阅读全文
posted @ 2016-09-18 02:24
Zhentiw
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In order to resolve a dependency, Angular’s DI uses type annotations. To make sure these types are preserved when transpiled to ES5, TypeScript emits 阅读全文
posted @ 2016-09-17 03:31
Zhentiw
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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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