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A few function constructors are refactored to classes and properties are tagged with types. This one step reveals yet another ...

What is an iterator in Javascript? The video will answer this question and many more about iterators. If you are new to Javascript ...

This series will explore TypeScript for JavaScript developers by taking a JavaScript app and transforming it piece by piece. In this ...

Title: Extract URL Parameters as an Object in JavaScript In this video, we'll explore how to retrieve URL parameters and convert ...

In this video, I fix a defect revealed by refactoring to classes. I then use a custom type to define the allowable values of a property.

Video Title: Convert Async Functions to Promises in JavaScript In this video, you'll learn how to convert an async function into a ...

In this last step, learn how TypeScript helps you prepare for future versions of JavaScript by keeping pace with the latest specs.

Learn about support for generic types in TypeScript. The existing code has a "find" method that isn't running properly. In this video ...

No new features are introduced in this segment. A simple function is added to make debug messages cleaner to write and the ...

Create a Person Class with Details in JavaScript In this video, you'll learn how to build a Person class in JavaScript that stores ...

Video Title: Create a Reverse Range Array in JavaScript In this video, you'll learn how to generate an array of numbers in reverse ...

A bug has surfaced due to the way variables are captured in scope in JavaScript. Rather than wrap the call in additional code that ...

Video Title: Generate the Fibonacci Sequence in JavaScript In this video, you'll learn how to generate the Fibonacci sequence ...

In this video we are going to describe the switch case statement in Python versus the Javascript implementation. We are going to ...

Repeated Execution with setInterval in JavaScript In this video, you'll learn how to execute functions repeatedly at fixed intervals ...

Interfaces specify signatures that classes must follow. Unlike other languages, interfaces in TypeScript aren't unique types on their ...

Convert Callbacks to Promises in JavaScript In this video, you'll learn how to convert traditional callback-based functions into ...

In this short clip, a custom type is defined using generics to define a "predicate" or a simple method that takes an item of a certain ...

Build a BankAccount Class with Transfers Between Accounts in JavaScript In this video, you'll learn how to create a BankAccount ...

Video Title: Check If a Value Is a Function in JavaScript In this video, you'll learn how to check whether a given value is a function ...