Observer Design Pattern - Beau teaches JavaScript

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With the Observer Design Pattern, if an object is modified it broadcasts to dependent objects that a change has occurred.

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OK, this pattern makes sense if when the subject state changes, the observer's state changes too. In this example, there is no real data transferring between Subject and Observer. Just indexes

evgenylevchenya

Simple and extremelly useful. Keep it up bro!

edilsonlima

You used factory pattern, why use new keyword)?

dilwalaShakib

It's good, you are explaining very fast, please make videos of 10-15 min long.

sunilsigar

It seems the pattern of how Angular handle its sync between view and components under the hood

FredoCorleone

Awesome video!!! And one quick tip for you, you might need to split your playlist into smaller ones, like basic js, design patterns, data structure and algorithms and maybe fps. It will help people with different needs to find their target easier : )

panzheng

Why new Observer(1) is used insted of calling Observer(1)?

ankitmehrotra

When & why use this Design Pattern?

oufcena

it seems as if this guys IQ is double what mine is...

johnn

Observer Design Pattern - Beau teaches JavaScript

Observer Design Pattern - Beau teaches JavaScript

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