Javascript: Variable Unreferenced when += is Used

[vsfeedback]

This issue has been moved from a ticket on Developer Community.

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[severity:It bothers me. A fix would be nice]
In Javascript, when I use variable += 'string' with a string variable that has been initialized, that does not change the variable declaration color from gray to white, to indicate it has been referenced. When I change it to variable = variable + 'string', the syntax highlighter works correctly, and changes the variable declaration color to white. Please see screenshots attached.

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Original Comments

Feedback Bot on 1/19/2021, 09:43 PM:

We have directed your feedback to the appropriate engineering team for further evaluation. The team will review the feedback and notify you about the next steps.

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Original Solutions

(no solutions)

[RyanCavanaugh]

This is the intended behavior. If you only ever compound-write to a variable, it's still never read in any true sense.

[typescript-bot]

This issue has been marked 'Working as Intended' and has seen no recent activity. It has been automatically closed for house-keeping purposes.