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Fix the Expression

JavaScriptMediumbugslanguage_fundamentalsvalidation

Instructions

Fix the code in the Code tab so the function returns true if and only if x is equal to 7.

Examples

isSeven(4) ➞ false

isSeven(9) ➞ false

isSeven(7) ➞ true

Notes

The bug can be hard to find, so look closely!

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Walks through the solution with reasoning and edge cases.
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