質問編集履歴
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ご指摘のあった箇所を修正してたソースコードを追加しました。
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2021/1/11修正版
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```React
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>React</title>
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<script src="https://unpkg.com/react@17/umd/react.development.js"></script>
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<script src="https://unpkg.com/react-dom@17/umd/react-dom.development.js"></script>
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<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
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</head>
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<body>
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<div id="root"></div>
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<script type="text/babel">
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(() => {
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class App extends React.Component {
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constructor() {
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super();
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this.state = {
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answer: "abc",
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blank: "a__",
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location: 1,
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speaking: undefined,
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}
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this.keydown = this.keydown.bind(this)
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this.speak = this.speak.bind(this)
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}
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speak(word) {
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var speech = new SpeechSynthesisUtterance(word)
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speechSynthesis.speak(speech)
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console.log(speechSynthesis)
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this.setState({
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...this.state,
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speechSynthesis
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})
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speech.onend = function (event) {
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console.log(event)
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console.log(speechSynthesis)
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}
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}
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keydown(e) {
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console.log(e.key)
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if (this.state.answer[this.state.location] == e.key) {
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this.setState((state, props) => ({
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location: state.location + 1
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}));
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let blank = this.state.answer.substring(0, this.state.location) + '_'.repeat(this.state.blank.length - this.state.location);
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this.setState({
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blank: blank
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})
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console.log(blank)
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if (this.state.answer.length == this.state.location) {
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this.speak(this.state.answer)
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console.log(this.state.speechSynthesis)
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// while (this.state.speechSynthesis.speaking)
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this.setState({
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...this.state,
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answer: "def",
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blank: "d__",
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location: 1,
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})
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}
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}
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}
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componentDidMount() {
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window.addEventListener('keydown', this.keydown)
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}
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render() {
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return (
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<div>
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<div>
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{this.state.answer}
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</div>
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<div>
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{this.state.blank}
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</div>
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</div>
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);
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}
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}
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ReactDOM.render(
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<App />,
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document.getElementById('root')
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);
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})();
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</script>
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</body>
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</html>
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```
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428
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+
|
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225
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### 試したこと
|
|
226
430
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|
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227
431
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