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All LessonsFree Lessons (4)

Introduction

What’s This Course About?Introduction to JavaScript Promises

Basics of Promises

Fundamentals of Promises Handlers Handlers Executed as Microtasks Unsettled Promises Settled Promises Non-Promise Thenables Summary: Basics of Promises Quiz: Basics of Promises

Chaining Promises

Fundamentals of Chaining Promises

Promise Chains with the finally() Method

Return Values in Promise Chains

Return Promises in Promise Chains

Return Promises from finally()

Summary: Chaining Promises

Quiz: Chaining Promises

Working with Multiple Promises

The Promise.all() Method When to Use the Promise.all() Method The Promise.allSettled() Method When to Use the Promise.allSettled() Method The Promise.any() Method When to Use the Promise.any() method The Promise.race() Method When to Use Promise.race()Summary: Working with Multiple Promises Quiz: Working with Multiple Promises

Async Functions and Await Expressions

Async Functions What Makes Async Functions Different?Await Expressions Await Expressions and Promises Await Expressions and Loops Summary: Async Functions and Await Expressions Quiz: Async Functions and Await Expressions

Tracking Down the Unhandled Rejections

How to Detect an Unhandled Rejection Web Browsers and Unhandled Rejections Detecting Unhandled Rejections with Node.js Summary: Tracking Down the Unhandled Rejections Quiz: Tracking Down the Unhandled Rejections

Conclusion

JavaScript Promises/

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Quiz: Chaining Promises

Quiz: Chaining Promises

Test your knowledge of chaining promises.

We'll cover the following...

Technical Quiz

1.

Which method copies the state and value of the previous promise into its returned promise?

A.

fetch()

B.

resolve()

C.

finally()

D.

then()

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