#19 Pre-React JS | JS Promises Basics: How to Tame Asynchronous Code? A Step-by-Step Breakdown Ma...
How can you make JavaScript wait for a task to complete without freezing the entire page? In this lesson, we'll explore Promises—the promise mechanism that underpins all modern web development.
We'll learn how to negotiate with your code so it performs heavy-duty tasks in the background and honestly reports the result—be it success or failure.
In this video:
Real-life analogy: Why a promise is like promising to wash the dishes.
Lifecycle: Understanding the pending, fulfilled, and rejected states.
Problem solving: How promises fix the race conditions we saw in the last lesson.
Practice: Creating your first promise in code and exploring its inner workings.
Bonus: Discussing array and object methods—do you need them? (Vote in the comments!).
This lesson lays the foundation for working with real data (APIs), which we'll be exploring very soon.
Useful links:
MDN Web Docs: https://developer.mozilla.org/ru/docs...
GitHub: https://github.com/RuslanTissen/SPA-v...
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