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[1주차] 함초롬 미션 제출합니다. #5
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| @@ -1,19 +1,6 @@ | ||
| # react-profile | ||
| <h2> props와 state의 차이점 </h2> | ||
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| ## 실행 방법 | ||
| props 는 부모 컴포넌트가 자식 컴포넌트에게 주는 값. | ||
| 자식 컴포넌트에서는 props 를 받아오기만하고, 받아온 props 를 직접 수정은 불가. | ||
| 반면에 state 는 컴포넌트 내부에서 선언하며 내부에서 값을 변경 가능. | ||
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| ``` | ||
| npm install | ||
| npm run start | ||
| ``` | ||
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| - npm install : 필요한 모든 패키지를 설치합니다. 처음 1번만 실행하면 됩니다. | ||
| - npm run start : react 어플리케이션을 브라우저에서 실행합니다. | ||
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| ## 미션 설명 | ||
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| [미션 설명](./docs/mission-description/README.md) | ||
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| ## 미션 제출 방법 | ||
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| [미션 제출 방법](./docs/how-to-submit/README.md) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -1,9 +1,52 @@ | ||
| import React, {Component} from 'react'; | ||
| import Introduction from './Introduction'; | ||
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| class App extends Component { | ||
| constructor(props){ | ||
| super(props); | ||
| this.state = { | ||
| info:[ | ||
| { | ||
| key:1, | ||
| id:1, | ||
| name:"최수민", | ||
| university:"서강", | ||
| major:"컴퓨터공학", | ||
| age:25, | ||
| emotion:"행복", | ||
| animal:["사자", "토끼", "뱀"] | ||
| }, | ||
| { | ||
|
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Intellij WebStorm 을 쓴다면 이런 부분은 ctrl + alt + L (윈도우 맞죠?) 을 누르면 알아서 맞춰줄꺼예요 ! VS code 를 쓴다면 shift + alt + F 를 눌러보세요 ! 이런 기능을 ide 의 auto formatting 이라고 합니다.
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. 감사합니다^^77 일일이 하는 거 번거로웠는데 좋은 기능 가르쳐주셔서 감사합니다. |
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| key:2, | ||
| id:2, | ||
| name:"이한길", | ||
| university:"홍익" , | ||
| major:"법학", | ||
| age:29, | ||
| emotion:"불행", | ||
| animal:["펭귄"] | ||
| }, | ||
| { | ||
| key:3, | ||
| id:3, | ||
| name:"김서영", | ||
| university:"이화여자", | ||
| major:"사이버보안학", | ||
| age:22, | ||
| emotion:"불행", | ||
| animal:["웜", "트로이목마"] | ||
| } | ||
| ] | ||
| } | ||
| } | ||
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| render() { | ||
| return <div className="App">Hello React!</div>; | ||
| return <div className="App"> | ||
| <Introduction data={this.state.info[0]}></Introduction> | ||
| <Introduction data={this.state.info[1]}></Introduction> | ||
| <Introduction data={this.state.info[2]}></Introduction> | ||
| </div>; | ||
| } | ||
| } | ||
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| } | ||
| export default App; | ||
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|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| import React, {Component} from 'react'; | ||
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| class Introduction extends Component { | ||
| render() { | ||
| var data = this.props.data; | ||
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There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. 시간이 되신다면 이 글의 제목에 있는 ES가 슬랙 qna 방에 올린 글에서 설명한 ECMA Script (표준화된 자바스크립트) 예요 ㅎㅎ 링크 참고해주세요 ! |
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| var animalData = this.props.data.animal; | ||
| var animalList = []; | ||
| var index=0; | ||
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| while(index<animalData.length){ | ||
| animalList.push(<li>{animalData[index]}</li>); | ||
| index++; | ||
| } | ||
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| return <div className="Introduction"> | ||
| <h1> {data.name} </h1> | ||
| <article> | ||
| <p>안녕하세요 저는 {data.university}대학교의 {data.major}과에 다니고 있습니다.</p> | ||
| <p>올해는 {data.age}살인데 내년엔 {data.age+1}이에요.</p> | ||
| <p>지금 기분은 {data.emotion}해요!</p> | ||
| </article> | ||
| <h2>좋아하는 동물</h2> | ||
| <ul> | ||
| {animalList} | ||
| </ul> | ||
| </div>; | ||
| } | ||
| } | ||
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| export default Introduction; | ||
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{ key: value }형식으로 만든 객체를 JSON(JavaScript Object Notation) 이라고 해요.JSON 위키 백과 링크인데 학습에 참고하시면 좋을 것 같아요.
근데 이 안에 데이터가 많아지기 시작하면 한 줄에 쓰는 것 보다 줄을 나눠서 쓰는 게 더 보기 좋아요.
자바스크립트 스타일 가이드 인데 여기 중간에 보시면 Object Rules 라는 소제목 부분을 보면 짧은 객체들은 한 줄로 압축해서 표현해도 되지만 길어지면 줄을 나눠서 표기하는 것을 추천(?)하고 있네요 😂