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Kawaii_Jordy
[JS] Property accessors(.), Spread syntax(...), Optional chaning(?.) 본문
[JS] Property accessors(.), Spread syntax(...), Optional chaning(?.)
Kawaii_Jordy 2021. 11. 22. 06:36https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_Accessors
Property accessors - JavaScript | MDN
Property accessors provide access to an object's properties by using the dot notation or the bracket notation.
developer.mozilla.org
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Property_Accessors
Property accessors - JavaScript | MDN
Property accessors provide access to an object's properties by using the dot notation or the bracket notation.
developer.mozilla.org
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Optional_chaining
Optional chaining (?.) - JavaScript | MDN
The optional chaining operator (?.) enables you to read the value of a property located deep within a chain of connected objects without having to check that each reference in the chain is valid.
developer.mozilla.org
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