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javascriptreactjsstatereact-proptypes

Passing state down as props in React


I have my main component called App.

App pulls in the Table component like so:

<Table
  players={players}
/>

players is initially defined in the App component's state as an empty array but inside my Table component I do this:

console.log(this.props.players, 'players');

Why would I get undefined?

I also have this inside my App component:

render() {
   const { players, matches } = this.state;

Solution

  • Regarding my comment in your question you need to do something like this:

    <Table
      players={this.state.players}
    />
    

    This way you are getting players from inside your state. Without "this.state" you will receive and undefined error