93. Module Introduction

Jul 15, 2026 01:01 · 1:23 · English · Whisper Turbo · 2 & Kefluniañ

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Time to take another look at directives and not only repeat quickly

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what we learned thus far,

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but also learn how to build our own directives and really

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dive into the difference between attribute and structural directives and what this star

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means on the structural directives.

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Well,

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I already said it,

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right? We got attribute and structural directives.

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Attribute directives are called like this because they sit

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on elements just like attributes and structural directives

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basically do the same,

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but they also change the structure of the DOM around this element.

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If you have ngf on a paragraph,

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if that condition is false,

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this paragraph is removed from the DOM,

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so the overall view container is affected.

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Whereas on the attribute directive,

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you never destroy an element from the DOM,

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you only change properties of that element,

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for example,

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the background color.

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So that is why we have attribute directives only affecting the

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element they sit on and structural directives,

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which also affect the whole DOM or the view container,

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the area around the element which they were placed on.

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That is the difference.

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Now with that,

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let's briefly have a look at the directives we already know and how

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to use them before we then dive into building our own ones and learn more about structural

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directives.

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