JavaScript『class{}』

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投稿者投稿者marineいいね6お気に入り登録2
プレイ回数1670難易度(4.5) 1124打 英語 英字
JavaScript 暗記用です
★情報元のサイト様★
「とほほのWWW入門」http://www.tohoho-web.com/www.htm
「MDN」https://developer.mozilla.org/ja/docs/Web/JavaScript
順位 名前 スコア 称号 打鍵/秒 正誤率 時間(秒) 打鍵数 ミス 問題 日付
1 oga 2954 すごいね! 3.0 96.8% 367.9 1124 37 26 2026/03/05
2 よっぴ 2916 すごいね! 2.9 97.4% 375.5 1124 29 26 2026/02/22
3 mh 2854 すごいね! 2.8 98.5% 388.2 1124 16 26 2026/03/04

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問題文

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(class Signal{}) class Signal{} (class Signal{constructor(Color){this.color=Color;} info(){console.log(this.color);}}) class Signal{constructor(Color){this.color=Color;} info(){console.log(this.color);}} (const stop=new Signal('red');) const stop=new Signal('red'); (stop.color;) stop.color; (stop.info();) stop.info(); (class Line {static send(){console.log('Hello!');}}) class Line {static send(){console.log('Hello!');}} (Line.send();) Line.send(); (class Akb {constructor(member){this.name=member;}}) class Akb {constructor(member){this.name=member;}} (class Hkt extends Akb{}) class Hkt extends Akb{} (const rino=new Hkt('Rino'); console.log(rino.name);) const rino=new Hkt('Rino'); console.log(rino.name);
(class Square{constructor(value){this.length=value;} area(){return this.length**2;}}) class Square{constructor(value){this.length=value;} area(){return this.length**2;}} (class Cube extends Square {volume(){return this.length**3;}}) class Cube extends Square {volume(){return this.length**3;}} (const box=new Cube(10); console.log(box.area(),box.volume());) const box=new Cube(10); console.log(box.area(),box.volume()); (class Signal {constructor(Color){this.color=Color;}}) class Signal {constructor(Color){this.color=Color;}} (class Singo extends Signal {constructor(mean){super('blue');this.mean=mean;}) class Singo extends Signal {constructor(mean){super('blue');this.mean=mean;} (info() {console.log(`${this.color} is ${this.mean}`);}}) info() {console.log(`${this.color} is ${this.mean}`);}} (const blue=new Singo('Go'); blue.info();) const blue=new Singo('Go'); blue.info(); (class Blog {info(){alert('updated');}}) class Blog {info(){alert('updated');}} (class Fb extends Blog {info2(){super.info();}}) class Fb extends Blog {info2(){super.info();}} (const fb=new Fb(); fb.info2();) const fb=new Fb(); fb.info2();
など
(class Akb {constructor(member){this.name=member;}) class Akb {constructor(member){this.name=member;} (info(){alert(`${this.name} was Akb`);}}) info(){alert(`${this.name} was Akb`);}} (class Hkt extends Akb{}) class Hkt extends Akb{} (const rino=new Hkt('Rino'); rino.info();) const rino=new Hkt('Rino'); rino.info(); (const Akb= class{constructor(winner){this.center=winner;}}) const Akb= class{constructor(winner){this.center=winner;}} (const atuko=new Akb('Atuko'); console.log(atuko.center);) const atuko=new Akb('Atuko'); console.log(atuko.center);
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