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šŸ€ć‚Ŗ惖ć‚ø悧ć‚Æćƒˆć®å¾©ēæ’
怀// å®šę•°animalć‚’å®šē¾©ć—ć¦ćć ć•ć„
怀怀const animal = {
怀怀怀name:"惬ć‚Ŗ" ,
怀怀怀age:3 ,
怀怀怀greet : () => {怀console.log("恓悓恫恔ćÆ");怀}
怀怀};怀怀怀ā†‘āš ļøć€Œļ¼šć€åæ˜ć‚Œć¦ćŸšŸ˜±

怀// animal恮namešŸ·ćƒ—ćƒ­ćƒ‘ćƒ†ć‚£ć®å€¤ć‚’å‡ŗåŠ›ć—ć¦ćć ć•ć„
怀怀console.log(animal.name);

怀// animal恮greetšŸ·ćƒ—ćƒ­ćƒ‘ćƒ†ć‚£ć®é–¢ę•°ć‚’å®Ÿč”Œć—ć¦ćć ć•ć„
怀怀animal.greet();


šŸ€ć‚Æćƒ©ć‚¹ć‹ć‚‰ē”Ÿęˆć—ćŸć‚Ŗ惖ć‚ø悧ć‚Æ惈ćÆć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹
怀ā†’ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ć‚’console.log恙悋ćØ态class恮ć‚Ŗ惖ć‚ø悧ć‚Æ惈恌å‡ŗåŠ›ć•ć‚Œć‚‹
怀class Animal {怀}
// Animalć‚Æćƒ©ć‚¹ć®ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ć‚’å®šę•°animalć«ä»£å…„ć—ć¦ćć ć•ć„
怀const animal = new Animal ( ) ; ā†āš ļøšŸ½ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ļ¼†å¼•ę•°ē”Øć®ć€Œļ¼ˆ ļ¼‰ć€
// å®šę•°animalć®å€¤ć‚’å‡ŗåŠ›ć—ć¦ćć ć•ć„
怀console.log(animal);


šŸ€ć‚³ćƒ³ć‚¹ćƒˆćƒ©ć‚Æć‚æļ¼ˆclass恮čØ­č؈図ļ¼‰
怀ā†’ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ćŒē”Ÿęˆć•ć‚ŒćŸē›“å¾Œć«å®Ÿč”Œ
怀怀class Animal {
怀// ć‚³ćƒ³ć‚¹ćƒˆćƒ©ć‚Æć‚æ悒čæ½åŠ ć—ć¦ćć ć•ć„
怀怀怀constructor ( ) {怀怀ā†āš ļøšŸ½å¼•ę•°ē”Øć®ć€Œļ¼ˆ ļ¼‰ć€åæ˜ć‚Œć¦ćŸšŸ˜±
怀怀怀怀console.log("ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ć‚’ē”Ÿęˆć—ć¾ć—ćŸ"); }
怀怀怀}
怀怀const animal = new Animal();


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怀ā†’ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ćÆ态ć‚Æćƒ©ć‚¹ć‹ć‚‰ē”Ÿęˆć—ćŸć‚Ŗ惖ć‚ø悧ć‚Æ惈
怀ā†’ęƒ…å ±ćÆć€ć€Œćƒ—ćƒ­ćƒ‘ćƒ†ć‚£ļ¼å€¤ć€ć§čæ½åŠ ļ¼ˆthisļ¼‰
怀

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怀ā†’ćƒ”ć‚½ćƒƒćƒ‰å†…ć§ć€ć‚¤ćƒ³ć‚¹ć‚æćƒ³ć‚¹ć®ć€Œå€¤ć€ć‚’åˆ©ē”Ø恧恍悋ļ¼ˆć€Œthis.ćƒ—ćƒ­ćƒ‘ćƒ†ć‚£åć€ć‚’ä½æē”Øļ¼‰
怀ā†’ćƒ”ć‚½ćƒƒćƒ‰å†…ć§ä»–ć®ćƒ”ć‚½ćƒƒćƒ‰ć‚’åˆ©ē”Ø恙悋恓ćØ悂åÆčƒ½ļ¼ˆć€Œthis.ćƒ”ć‚½ćƒƒćƒ‰å( )怍ļ¼‰
怀怀šŸ·ćƒ—ćƒ­ćƒ‘ćƒ†ć‚£ć®é–¢ę•°ć‚’å®Ÿč”Œć§ć‚‚å‡ŗę„ćŸā€¦


šŸ€č¦Ŗć‚Æćƒ©ć‚¹ć‹ć‚‰ćƒ”ć‚½ćƒƒćƒ‰ć‚’å¼•ćē¶™ćå­ć‚Æćƒ©ć‚¹
怀ā†’子ć‚Æćƒ©ć‚¹å†…ć§ć€ę–°ćƒ”ć‚½ćƒƒćƒ‰ć‚’ä½œęˆć—ć€ęˆ»ć‚Šå€¤ć‚‚åˆ©ē”Ø恧恍悋怂
怀怀ā‘ class Dog extends Animal {
怀怀怀怀怀怀怀ā‘£getHumanAge(){
怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀ā‘¤return this.age*7; } }

怀怀ā‘”const dog = new Dog("惬ć‚Ŗ", ā‘„4);
怀怀ā‘¢dog.info();

怀怀ā‘¦const humanAge = dog.getHumanAge( );
怀怀ā‘§console.log(`äŗŗé–“å¹“é½¢ć§${humanAge}ę­³ć§ć™`);

怀ā‘ ā‘”ā‘¢ā†’dogćØć—ć¦ć€ć€Œćƒ¬ć‚Ŗ怍ćØć„ć†ę–°ć—ć„ęƒ…å ±ć‚’å‡ŗåŠ›ć—ćŸć„ć€‚
怀ā‘£äŗŗé–“å¹“é½¢ć‚’č”Øē¤ŗ恕恛恟恄ćŖ
怀ā‘¤ćƒ¬ć‚Ŗć®å¹“é½¢ć‚’å…ƒć«äŗŗé–“å¹“é½¢ć‚’č؈ē®—ć™ć‚‹å€¤ć‚’ć€Œęˆ»ć‚Šå€¤ć€ćØć—ć¦ä»£å…„ć€‚
怀ā‘„ć”ęŒ‡åćÆ怌this.age怍
怀ā‘¦ć€€ā‘£ć®å‡ŗåŠ›ć«åæ…要ćŖå€¤ć‚’å®šē¾©ļ¼ˆā‘„恫åÆ¾ć—ć¦ā‘¤ć‚’ä½œć‚Šć€ā‘¤ćŒä½æ恈悋ā‘£ć‚’å‡ŗåŠ›ć™ć‚‹ćŸć‚ć«ā‘”悂ē”Ø恄恦ā‘¦ć‚’定ē¾©ļ¼‰ć€‚
怀ā‘§  ā‘¦ć‚’ē”Øć„ć¦ęƒ…å ±ć‚’å‡ŗåŠ›ć€‚


šŸ€ć‚Ŗćƒ¼ćƒćƒ¼ćƒ©ć‚¤ćƒ‰ļ¼ˆćƒ”ć‚½ćƒƒćƒ‰ć€ć‚³ćƒ³ć‚¹ćƒˆćƒ©ć‚Æć‚æļ¼‰
怀怀ā†’子ć‚Æćƒ©ć‚¹ćŒč¦Ŗć‚Æćƒ©ć‚¹ć‚’äøŠę›ø恍
怀怀class Animal {
怀怀怀怀constructor(name, age) {
怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀this.name = name;
怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀this.age = age;}
怀怀怀怀greet() {
怀怀怀怀怀怀怀怀console.log("恓悓恫恔ćÆ");}
怀怀怀怀info() {
怀怀怀怀怀怀怀怀this.greet();
怀怀怀怀怀怀怀怀console.log(`名前ćÆ${this.name}恧恙`);
怀怀怀怀怀怀怀怀console.log(`${this.age}ę­³ć§ć™`);}
怀怀}
怀怀class Dog extends Animal {
怀怀怀怀getHumanAge() {
怀怀怀怀怀怀怀怀怀怀怀怀怀return this.age * 7;}
怀怀怀怀info(){
怀怀怀怀怀怀怀怀this.greet();
怀怀怀怀怀怀怀怀console.log(`名前ćÆ${this.name}恧恙`);
怀怀怀怀怀怀怀怀console.log(`${this.age}ę­³ć§ć™`);}
怀怀怀怀 怀怀šŸ½const humanAge = this.getHumanAge();
怀怀怀怀怀 怀
šŸ½console.log(`äŗŗé–“å¹“é½¢ć§${humanAge}ę­³ć§ć™`);}
怀怀}
怀怀怀怀const dog = new Dog("惬ć‚Ŗ", 4);
怀 怀šŸ½dog.info();

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     export default Animal;
怀怀ā†’import Animal from "./animal";


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怀ā†’default悒ę›øć‹ćšć«ć€åå‰ć‚’{}ć§å›²ć‚“ć§ć‚Øć‚Æć‚¹ćƒćƒ¼ćƒˆć™ć‚‹


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ć€€ćƒ‡ć‚£ćƒ¬ć‚Æ惈ćƒŖ恮ē§»å‹•ļ¼ˆ ./  / ļ¼‰ćØć€éšŽå±¤ć®ē§»å‹•ļ¼ˆ ../ ļ¼‰




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怀const characters = ["ć«ć‚“ć˜ć‚ƒć‚ć‚“ć“", "ćƒ™ć‚¤ćƒ“ćƒ¼ć‚ć‚“ć“", "ć²ć¤ć˜ä»™äŗŗ", "ćØ悊恚恍悓"];
// forEachćƒ”ć‚½ćƒƒćƒ‰ć‚’ä½æć£ć¦ć€é…åˆ—characters恮äø­čŗ«ć‚’ć™ć¹ć¦å‡ŗåŠ›ć—ć¦ćć ć•ć„
characters.forEach (character) => {console.log(character);} );
怀怀怀怀ā†’āš ļøforEachļ¼ˆ ļ¼‰ćŒåŸŗęœ¬
怀怀怀怀怀怀ā†’āš ļøå¼•ę•° character ćÆå˜ę•°ć€€

怀怐forEach怑
怀const names = [
怀怀怀怀怀怀怀怀怀怀{firstName: "Kate", lastName: "Jones"},
怀怀怀怀怀怀怀怀怀怀{firstName: "John", lastName: "Smith"},
怀怀怀怀怀怀怀怀怀怀{firstName: "Denis", lastName: "Williams"},
怀怀怀怀怀怀怀怀怀怀{firstName: "David", lastName: "Black"}怀];

怀// å®šę•°names恫mapćƒ”ć‚½ćƒƒćƒ‰ć‚’ä½æć£ć¦ę–°ć—ć„é…åˆ—ć‚’ä½œć‚Šć€å®šę•°fullNamesć«ä»£å…„ć—ć¦ćć ć•ć„
怀const fullNames = names.map((name) => {
怀怀怀怀怀怀怀怀怀return name.firstName + name.lastName ;怀});
怀怀怀ā†’āš ļøå®šę•°ć§ćÆćŖćć€å¼•ę•°ć®ć€Œ name . 怍悒åæ˜ć‚Œć¦ćŸšŸ˜±

怀// å®šę•°fullNames悒å‡ŗåŠ›ć—ć¦ćć ć•ć„
怀console.log(fullNames);


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怀const printWanko = () => {
怀怀怀怀console.log("ć«ć‚“ć˜ć‚ƒć‚ć‚“ć“");怀};
怀const call = (callback) => {
怀怀怀怀console.log("ć‚³ćƒ¼ćƒ«ćƒćƒƒć‚Æé–¢ę•°ć‚’å‘¼ć³å‡ŗć—ć¾ć™ć€‚");
怀怀怀怀callback();怀};怀怀ā†šŸ½é–¢ę•°ć‚’å‘¼ć³å‡ŗ恙
怀怀怀怀怀怀怀怀怀怀怀怀怀怀怀āš ļøå¼•ę•°ć‚’代兄恙悋ćØå‘¼ć³å‡ŗ恛ćŖ恄ļ¼
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