자바스크립트에서의 다양한 표현방법

아래 결과는 모두 123입니다

console.log의 인자로 들어간 값은 모두 123입니다

하나씩 짚어본다면 자바스크립트 문법의 이해에 도움이 될 수 있습니다

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     console.log(123);
     console.log((() => 123)());
     console.log({ aa: 123 }.aa);
     console.log({ aa: (123) }.aa);
     console.log(({ aa: 123 }).aa);
     console.log([4, 7, 5, 123][3]);
     console.log(({ aa: (123) }).aa);
     console.log(([4, 7, 5, 123])[3]);
     console.log({ aa: (123) }['aa']);
     console.log({ aa: () => 123 }.aa());
     console.log((() => { return 123 })());
     console.log(({ aa: () => 123 }).aa());
     console.log({ aa: () => 123 }['aa']());
     console.log(({ aa: () => 123 })['aa']());
     console.log(([4, 7, 5, () => 123])[3]());
     console.log(function () { return 123 }());
     console.log(({ aa: () => (123) })['aa']());
     console.log((function () { return 123 })());
     console.log(({ aa: (123) })[(() => 'aa')()]);
     console['log'](([4, 7, 5, () => () => 123])[3]()());
     ((console))['log']((({ aa: () => (123) })[('aa')])());
     (console).log((((((((((((({ aa: (123) })))))))))))).aa);
     console[(() => 'log')()]((({ aa: () => (123) })['aa'])());