34 lines
546 B
React
34 lines
546 B
React
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import React, { Component } from 'react';
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class E extends Component {
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constructor(props) {
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super(props);
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this.state = {
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e: 0,
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};
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this.timer = this.timer.bind(this);
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}
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componentDidMount() {
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const eId = setInterval(this.timer, 10);
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this.setState({ eInterval: eId });
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}
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componentWillUnmount() {
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clearInterval(this.state.eInterval);
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}
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timer() {
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this.setState({ e: this.state.e + 1 });
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}
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render() {
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const e = Array(this.state.e).fill(<p>e</p>);
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return e;
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}
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}
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export default E;
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