[μžλ°”μŠ€ν¬λ¦½νŠΈ] class

2023. 9. 17. 15:58Β·μžλ°”μŠ€ν¬λ¦½νŠΈμ˜ 정석 🟑

참고자료: μΈν”„λŸ° μ½”μ–΄μžλ°”μŠ€ν¬λ¦½νŠΈ(클래슀 편)

 

μ½”μ–΄ μžλ°”μŠ€ν¬λ¦½νŠΈ - μΈν”„λŸ° | κ°•μ˜

ES6 μ΄μ „κΉŒμ§€μ˜ μžλ°”μŠ€ν¬λ¦½νŠΈ 전체λ₯Ό κ΄€ν†΅ν•˜λŠ” 핡심 κ°œλ…λ“€μ— λŒ€ν•˜μ—¬, μ „λ°˜μ μΈ 흐름을 μ‚΄νŽ΄λ³΄λŠ” κ°•μ˜μž…λ‹ˆλ‹€.,  πŸ“’ κ°•μ˜ 리뉴얼 μ•ˆλ‚΄ 2021.8.26 리뉴얼 κ°•μ˜κ°€ μ„Ήμ…˜ 0에 μ—…λ°μ΄νŠΈ λ˜μ—ˆμŠ΅λ‹ˆλ‹€. κΈ°μ‘΄

www.inflearn.com

 

 

클래슀 

μΈμŠ€ν„΄μŠ€λ“€μ˜ μƒμœ„ 클래슀인 μƒμ„±μžν•¨μˆ˜μ™€ μƒμ„±μžν•¨μˆ˜μ˜ λ©”μ†Œλ“œλ“€

μΈμŠ€ν„΄μŠ€λŠ” μƒμ„±μžν•¨μˆ˜λ₯Ό 직접 κ°€μ§„ λͺ»ν•œλ‹€. μΈμŠ€ν„΄μŠ€λŠ” ν”„λ‘œν† νƒ€μž…μ„ 톡해 μƒμœ„λ‘œ 갈 수 μžˆλ‹€.

 

function Person(name, age){
    this._name = name;
    this._age = age;
}

//μŠ€νƒœν‹± λ©”μ„œλ“œ - μƒμ„±μžν•¨μˆ˜μ˜ λ©”μ„œλ“œ
Person.getInformations = function(instance){
    return{
        name:instance._name,
        age: instance._age
    };
}


//ν”„λ‘œν† νƒ€μž…μ˜ λ©”μ†Œλ“œ 
Person.prototype.getName= function(){
    return this._name;
}
Person.prototype.getAge=function(){
    return this._age;
}

 

 

var roy = new Person('둜이', age);

console.log(roy.getName());
console.log(roy.getAge());

console.log(roy.getInformations(roy));  //error
console.log(Person.getInformations(roy));

roy.getName(), roy.getAge()둜 ν”„λ‘œν† νƒ€μž…μ„ 톡해 λ©”μ†Œλ“œλ₯Ό λΆ€λ₯΄λŠ” 건 κ°€λŠ₯ν•˜μ§€λ§Œ, 

 

royμ—μ„œ μƒμ„±μžν•¨μˆ˜μ˜ static method둜 λ°”λ‘œκ°ˆ 수 μ—†λ‹€. λ‹€λ§Œ, ν•¨μˆ˜μ˜ static methodμ—μ„œ 둜이λ₯Ό λΆ€λ₯΄λŠ” 것은 κ°€λŠ₯ν•˜λ‹€.

 

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