The Most Addictive Python and SQL Courses
AI, Data Science & Cloud Certificates from Google, IBM & Meta
Overview
Google, IBM & Meta Certificates – 40% Off
One Coursera Plus subscription covers most Professional Certificates on Coursera.
Unlock All Certificates
This tutorial demonstrates how to use TypeScript index signatures, keyof assertions, and the Record utility type to create object types and access their properties dynamically.
Syllabus
Intro
Welcome
Starter code and set up
What are index signatures?
Why you need an index signature
Index signature syntax
readonly modifier
Non-existing properties
Required properties combined with an index signature
Optional properties
keyof Assertions
Record utility type vs index signatures
Taught by
Dave Gray