This Lesson is for PRO Members.

Subscribe today and get access to all lessons! Plus direct HD download
for offline use, member comment forums, and iTunes "podcast" RSS feed.
Level up your skills now!

UNLOCK THIS LESSON

Already subscribed? Sign In

HIDE PLAYLIST

Make Properties and Index Signatures Readonly in TypeScript


TypeScript 2.0 introduced the readonly modifier which can be added to a property or index signature declaration. It helps prevent against unintended property assignments. This lesson gives various use cases for readonly and shows what the generated JavaScript code looks like.

Please take a moment to tell your friends:

You must be a PRO Member to view code