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Essential Angular

You're reading from   Essential Angular Fast paced guide to Front-end web development with Angular

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Product type Book
Published in May 2017
Publisher Packt
ISBN-13 9781788293761
Pages 108 pages
Edition 1st Edition
Languages
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Authors (3):
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Narwhal Technologies Inc Narwhal Technologies Inc
Author Profile Icon Narwhal Technologies Inc
Narwhal Technologies Inc
Jeff Cross Jeff Cross
Author Profile Icon Jeff Cross
Jeff Cross
Victor Savkin Victor Savkin
Author Profile Icon Victor Savkin
Victor Savkin
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Toc

Let's recap

That's how Angular templates work. Let's see if they are analyzable and transformable, and if they provide the benefits I talked about at the beginning of this chapter.

Contrasting with Angular 1, there is a lot more the framework can tell about the template statically.

For example, regardless of what the component element is, Angular knows that name in [property1]="name" is a field read and name in property2="name" is a string literal. It also knows that the name property cannot be updated by the component: property bindings update from the parent to the child. Similarly, Angular can tell what variables are defined in the template by just looking at *ngFor. Finally, it can tell apart the static and dynamic parts in the template.

All of these allow us to reliably introspect and transform templates at compile time. That's a powerful feature, that, for instance,...

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