clarify wording about null and undefined equality in JS#3902
Merged
smith558 merged 2 commits intojavascript-tutorial:masterfrom Nov 12, 2025
Merged
clarify wording about null and undefined equality in JS#3902smith558 merged 2 commits intojavascript-tutorial:masterfrom
smith558 merged 2 commits intojavascript-tutorial:masterfrom
Conversation
Contributor
There was a problem hiding this comment.
Pull Request Overview
This PR updates the JavaScript comparison documentation to clarify that null and undefined are equal to themselves (self-equality) and to each other when using loose equality (==), addressing potential ambiguity in the previous wording.
- Adds explicit mention of self-equality for
nullandundefinedvalues - Clarifies that these values are equal to themselves and each other under loose equality
💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Member
|
Thank you for your contribution! 🙂 |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
Updated the explanation of JavaScript’s loose equality to accurately state that null and undefined are equal to themselves and to each other (==), but not equal to any other value. The previous wording was ambiguous about whether “each other” included self-equality.