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Stack flows in you

πŸ“˜ TypeScript/κ°œλ…

[μ½”λ”©μ• ν”Œ] νƒ€μž…μŠ€ν¬λ¦½νŠΈμ—μ„œμ˜ class : constructor, prototype νƒ€μž…μ§€μ •

2023. 12. 20. 19:17

νƒ€μž…μŠ€ν¬λ¦½νŠΈμ—μ„œ class의 constructor μ‚¬μš©ν•˜κΈ°

일반적인 JavaScript ν΄λž˜μŠ€ λ° κ°μ²΄ μƒμ„±μ˜ μ˜ˆμ‹œμ΄λ‹€.

// JavaScript
class Candidate {
  constructor(personality, age, gender) {
    this.personality = personality;
    this.age = age;
    this.gender = gender;
  }
}

const candidate1 = new Candidate('good', 28, 'woman');

JavaScriptμ—μ„œλŠ” νƒ€μž… 정보λ₯Ό λͺ…μ‹œμ μœΌλ‘œ μ„ μ–Έν•˜μ§€ μ•ŠλŠ”λ‹€. κ·Έλ ‡κ²Œ λ•Œλ¬Έμ— μœ„μ²˜λŸΌλ§Œ ν‘œκΈ°ν•΄λ„ λ˜μ§€λ§Œ, νƒ€μž…μŠ€ν¬λ¦½νŠΈμ—μ„œλŠ” 각 속성과 λ§€κ°œλ³€μˆ˜μ— νƒ€μž…μ§€μ •μ„ ν•΄μ£Όμ–΄μ•Ό ν•œλ‹€.

// TypeScript
class Candidate {
  personality: string;
  age: number;
  gender: string;

  constructor(personality: string, age: number, gender: string) {
    this.personality = personality;
    this.age = age;
    this.gender = gender;
  }
}

const candidate1 = new Candidate('good', 28, 'woman');

constructorμ—λŠ” λ³΅μ œλ˜λŠ” 것이 항상 object이기 λ•Œλ¬Έμ— return νƒ€μž…μ„ μ§€μ •ν•  ν•„μš”λŠ” μ—†λ‹€.


νƒ€μž…μŠ€ν¬λ¦½νŠΈμ—μ„œ class prototype에 methods ν•¨μˆ˜ λ§Œλ“€κΈ°

class Candidate {
  personality: string;
  age: number;
  gender: string;

  constructor(personality: string, age: number, gender: string) {
    this.personality = personality;
    this.age = age;
    this.gender = gender;
  }

  selectCadidate(message :string){
    console.log(message)
  }
}

const candidate1 = new Candidate('good', 28, 'woman');
candidate1.selectCadidate('μ•ˆλ…•ν•˜μ„Έμš”?');

νŒŒλΌλ―Έν„° & return νƒ€μž…μ§€μ • 자유둭게 ν•  수 μžˆλ‹€.


좜처 : μ½”λ”©μ• ν”Œ https://codingapple.com/ / TypeScript Documentation https://www.typescriptlang.org/docs/handbook/2/objects.html

μ €μž‘μžν‘œμ‹œ λΉ„μ˜λ¦¬ 동일쑰건

'πŸ“˜ TypeScript > κ°œλ…' μΉ΄ν…Œκ³ λ¦¬μ˜ λ‹€λ₯Έ κΈ€

[μ½”λ”©μ• ν”Œ] νƒ€μž…μŠ€ν¬λ¦½νŠΈ HTML μ‘°μž‘μ‹œ 주의점 (2) : 더 narrowingν•˜κΈ°  (1) 2023.12.17
[μ½”λ”©μ• ν”Œ] νƒ€μž…μŠ€ν¬λ¦½νŠΈ HTML μ‘°μž‘μ‹œ 주의점 (1)  (0) 2023.12.17
[μ½”λ”©μ• ν”Œ] ν•¨μˆ˜μ™€ object λ©”μ„œλ“œμ— type alias μ§€μ •ν•˜κΈ°  (0) 2023.12.13
[μ½”λ”©μ• ν”Œ] νƒ€μž…μ„ νŠΉμ • κ°’μœΌλ‘œ μ§€μ •ν•˜μž : Literal Types (+ as const)  (0) 2023.12.13
[μ½”λ”©μ• ν”Œ] νƒ€μž…μ„ λ³€μˆ˜μ— λ‹΄μž : type alias  (0) 2023.12.11
    'πŸ“˜ TypeScript/κ°œλ…' μΉ΄ν…Œκ³ λ¦¬μ˜ λ‹€λ₯Έ κΈ€
    • [μ½”λ”©μ• ν”Œ] νƒ€μž…μŠ€ν¬λ¦½νŠΈ HTML μ‘°μž‘μ‹œ 주의점 (2) : 더 narrowingν•˜κΈ°
    • [μ½”λ”©μ• ν”Œ] νƒ€μž…μŠ€ν¬λ¦½νŠΈ HTML μ‘°μž‘μ‹œ 주의점 (1)
    • [μ½”λ”©μ• ν”Œ] ν•¨μˆ˜μ™€ object λ©”μ„œλ“œμ— type alias μ§€μ •ν•˜κΈ°
    • [μ½”λ”©μ• ν”Œ] νƒ€μž…μ„ νŠΉμ • κ°’μœΌλ‘œ μ§€μ •ν•˜μž : Literal Types (+ as const)
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