Smart Fallbacks

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Preserving Value

A known error utilizing pure logic chains sometimes rejects fully valid zeros or falses accidentally! By using efficiently Nullish Coalescing (??), programming languages carefully strictly protect 0 entries reliably smoothly while specifically falling forward exactly if objects arrive solely null or undefined.

The Assignment

  1. Smoothly render specifically userScore utilizing carefully ?? checking directly backwards to startScore.
  2. Return precisely selected items forward.

01EXAMPLE 1

InputuserScore = 0, startScore = 50
Output0

Explanation: Significantly retains genuine zeros flawlessly without triggering any fallovers unexpectedly.

Constraints

  • Maintain exclusively checking using ?? operator heavily.
  • Notice differences distinctly comparing old OR methods.
FundamentalsLogicOperators
JavaScript
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5 Hidden

Input Arguments

userScore0
startScore50

Expected Output

0

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