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on July 13, 2020

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Hello this is my first post

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Using the null propagation or optional chaining operator in javascript ?.

The ?. operator is called the 1. optional chaining operator 2. null propagation operator https://ponyfoo.com/articles/null-propagation-operator https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining Basic syntax: obj ?. prop obj ?.[ expr ] arr ?.[ index ] func ?.( args )

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