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react class component did update

myagizmaktav answered on August 21, 2022 Popularity 9/10 Helpfulness 5/10

answer react class component did update

related component did update react

react class component did update

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componentDidUpdate(prevProps, prevState) {
  if (prevState.data !== this.state.data) {
    // Now fetch the new data here.
  }
}

Popularity 9/10 Helpfulness 5/10 Language javascript

Source: www.geeksforgeeks.org

Tags: class javascript

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Contributed on Aug 21 2022

myagizmaktav

0 Answers Avg Quality 2/10

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component did update react

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export default class Task extends React.Component {
  
  constructor(props, context) {
    super(props, context);
    this.state = {
      name: "",
      age: "",
      country: ""
    };
  }

  componentDidUpdate() {
    this._commitAutoSave();
  }

  _changeName = (e) => {
    this.setState({name: e.target.value});
  }

  _changeAge = (e) => {
    this.setState({age: e.target.value});
  }

  _changeCountry = (e) => {
    this.setState({country: e.target.value});
  }

  _commitAutoSave = () => {
    Ajax.postJSON('/someAPI/json/autosave', {
      name: this.state.name,
      age: this.state.age,
      country: this.state.country
    });
  }

  render() {
    let {name, age, country} = this.state;
    return (
      <form>
        <input type="text" value={name} onChange={this._changeName} />
        <input type="text" value={age} onChange={this._changeAge} />
        <input type="text" value={country} onChange={this._changeCountry} />
      </form>
    );
  }
}

Popularity 8/10 Helpfulness 3/10 Language javascript

Source: stackoverflow.com

Tags: javascript j

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Contributed on Sep 21 2022

Jittery Jellyfish

0 Answers Avg Quality 2/10

react class component did update

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component did update react

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