react set state before render

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showing results for - "react set state before render"
Nola
21 Jul 2016
1componentDidMount() {
2    this.setState({
3        thing: [
4            {
5                status: "running",
6                test: "testing"
7            }
8        ]
9    });
10}
11
12render() {
13    return (
14        <div>
15            {this.state.thing.length > 0? <h1 className="mt-5 mb-5">{ this.state.thing[0].status }</h1>: null
16}
17            <button className="mt-5" onClick={ this.handleUpdate } value="not running">
18                Click to change
19            </button>
20        </div>
21    );
22}
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