Scope $watch() vs. $watchCollection() In AngularJS

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$watchCollection( collection ) Log

• Executed: 1741852785270 ( length: 1 )

$watch( collection ) Log

• Executed: 1741852785271 ( length: 1 )

$watch( collection, [ Equality = true ] ) Log

• Executed: 1741852785271 ( length: 1 )