every 자주쓰는 array methods join() : 배열 -> string 하는 method split() : 문자열들을 지정한 기준으로 구분해 배열로 return reverse() : 배열 안의 요소들을 반대로 만듬 특이점 : array.reverse() 후에 array 에도 [5,4,3,2,1] 이 저장되어 있다. 유념하면서 쓰자! slice(a,b) : 인덱스 a 부터 인덱스 b-1 까지 출력함 특이점 : array.sp... findfilterspliceMapSOMEeverysplit()reversereducesliceJOINJOIN [JS30] - 7) Array Cardio Day 2 🌛 Array.prototype.some() is at least one person 19 or older? 🌛 Array.prototype.every() is everyone 19 or older? 🌛 Array.prototype.find() Find is like filter, but instead returns just the one you are looking for... find t... everyfindSOMEfindIndexSOME 8 design patterns that every developer should know 8 design patterns that every developer should know Design patterns are there for these situations. Unfortunately there are a lot of developers who still refuse to use a few patterns, mostly because they just don't know t... 8designpatternsthateveryd설계 구조코드 아 트디자인 모드구조 예술
자주쓰는 array methods join() : 배열 -> string 하는 method split() : 문자열들을 지정한 기준으로 구분해 배열로 return reverse() : 배열 안의 요소들을 반대로 만듬 특이점 : array.reverse() 후에 array 에도 [5,4,3,2,1] 이 저장되어 있다. 유념하면서 쓰자! slice(a,b) : 인덱스 a 부터 인덱스 b-1 까지 출력함 특이점 : array.sp... findfilterspliceMapSOMEeverysplit()reversereducesliceJOINJOIN [JS30] - 7) Array Cardio Day 2 🌛 Array.prototype.some() is at least one person 19 or older? 🌛 Array.prototype.every() is everyone 19 or older? 🌛 Array.prototype.find() Find is like filter, but instead returns just the one you are looking for... find t... everyfindSOMEfindIndexSOME 8 design patterns that every developer should know 8 design patterns that every developer should know Design patterns are there for these situations. Unfortunately there are a lot of developers who still refuse to use a few patterns, mostly because they just don't know t... 8designpatternsthateveryd설계 구조코드 아 트디자인 모드구조 예술