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Misleading Explanation About Comma Operator Precedence

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#3,667 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty
2/5
Estimated time
1-3 hours
Newbie friendliness
35/100
Issue type
Documentation
Clarity
Mostly clear
Activity status
Stale
Tech stack
javascript
Domain
documentation

Research direction

Review the comma operator section linked in the issue and verify the example against JavaScript's operator precedence and evaluation behavior. Clarify the explanation so the documented result and assignment behavior are unambiguous, then confirm the revised text matches the language behavior.

Written by the indexing model from the issue text.

Description

Hi there,

I've come across a section in the documentation (https://javascript.info/operators#comma) that explains the precedence of the comma operator.
image

However, it seems to have an error in its explanation. The example provided suggests that a = 1 + 2, 3 + 4 should result in a being assigned the value 3, whereas in reality, it correctly returns 7.
image

I believe this discrepancy could lead to confusion among learners, and the explanation might need clarification to reflect the actual behavior of the comma operator. Thank you for your attention to this matter!

Dominant language
HTML
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