[TIL] 1229 항해4기

IT/TIL(Today I Learnt)|2021. 12. 30. 00:16

Today I Learnt 

1229

 

 

 [ ] 화장품리뷰 크롤링 확인

 [ ] document db  pem키사용말고,   AWS -module / AWS CLI / AWS docbd 활용해서 확인해보기

[ v  ]  Instagram API data fetch 

 [  ]  ramda사용법찾아보기 

 

 

항해4 기 실전프로젝트 용병으로 참가하게되었다.

재밌어보이는 프로젝트에, 팀원분들도 굉장히 좋으신분들인것같아서 앞으로 3주? 동안 옛날 기억살려서 재밌게 코딩할수있을것같다. 

여기서도 배울수있는건 최대한 배워서 가야지.

 

 

- 상현이형한테 배운것들 :

 

object.value :  object 를 array로반환 

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_objects/Object/values

 

Object.values() - JavaScript | MDN

The Object.values() method returns an array of a given object's own enumerable property values, in the same order as that provided by a for...in loop. (The only difference is that a for...in loop enumerates properties in the prototype chain as well.)

developer.mozilla.org

array.reduce(): executes a user-supplied “reducer” callback function on each element of the array

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce

 

Array.prototype.reduce() - JavaScript | MDN

The reduce() method executes a user-supplied “reducer” callback function on each element of the array, in order, passing in the return value from the calculation on the preceding element. The final result of running the reducer across all elements of t

developer.mozilla.org

array.every():  return ture /false

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/every

 

Array.prototype.every() - JavaScript | MDN

The every() method tests whether all elements in the array pass the test implemented by the provided function. It returns a Boolean value.

developer.mozilla.org

The find() method returns the value of the first element in the provided array that satisfies the provided testing function

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find

 

Array.prototype.find() - JavaScript | MDN

The find() method returns the value of the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.

developer.mozilla.org

 

"우리가 하는건 abc " 라고 상현이형이 말해줫다.

틈틈이MDN도 한번씩 보고 다른사람들 코드를 봐야지 확실히 느는것같다. 

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