Created
September 18, 2018 15:27
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import React, { Component } from 'react'; | |
// import axios from 'axios'; | |
import AnotherComponent from './AnotherComponent'; | |
import Todo from './Todo'; | |
import ParentComponent from './ParentComponent'; | |
export default class App extends Component { | |
constructor(props) { | |
super(props); | |
this.state = { | |
val: "Click me to change me" | |
} | |
console.log("constructor executed"); | |
} | |
// componentDidMount = () => { | |
// // throw "error"; | |
// console.log("componentDidMount() executed"); | |
// } | |
// componentWillUnmount = () => { | |
// console.log("component unmounted..."); | |
// } | |
static getDerivedStateFromProps(nextProps, prevState) { | |
console.log("getDerivedStateFromProps() executed", nextProps, prevState); | |
return null; | |
} | |
getSnapshotBeforeUpdate = (prevProps, prevState) => { | |
console.log("getSnapshotBeforeUpdate() executed", prevProps, prevState); | |
} | |
componentDidUpdate = (prevProps, prevState) => { | |
console.log("componentDidUpdate() executed", prevProps, prevState); | |
} | |
render() { | |
console.log("component rendered.."); | |
return ( | |
<div> | |
<h2> | |
<AnotherComponent /> | |
<Todo /> | |
</h2> | |
</div> | |
) | |
} | |
} | |
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