255. Module Introduction

Jul 21, 2026 05:59 · 1:06 · English · Whisper Turbo · 2 ໄມໂຄຣໂຟນ
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Thus far in our application,
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we always worked in the browser only.
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That means that we control all our data with Angular,
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we store our data somewhere in memory in the browser.
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And it also means that whenever we restart the application,
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all our data is gone.
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It also means that we can't persist data anywhere.
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And of course,
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a typical requirement of an application you're building would be that the
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front end,
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so the part that runs in the browser,
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which is your Angular app,
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that this does not work standalone,
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but that it is able to communicate to some server,
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to store data there,
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to fetch data from there,
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to do whatever you need to do in your application.
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And that is exactly what we'll have a look at in this module.
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We'll learn how Angular communicates with a backend,
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with a database and so on.
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You'll learn how to send HTTP requests and also
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how to transform data if you need to.
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You might remember that observables section where I gave you a first
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introduction to that.
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Now we'll take a closer look.

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