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showing results for - "javascript object property 2b multilevel 2b optional chaining"
Allison
18 Sep 2017
1obj?.prop?.prop
2obj?.[expr]?.prop
3arr?.[index]?.prop
4
5If a function named 'func' exists or not
6obj?.func
7If a property named 'func' is a function
8obj?.func?.(args)
9similar questions
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