fetchMethod.js

 goForFetch = () => {
        this.setState({
            fromFetch: true,
            loading: true,

        })
        fetch("https://jsonplaceholder.typicode.com/users")
            .then(response => response.json())
            .then((responseJson) => {
                console.log('getting data from fetch', responseJson)
                setTimeout(() => {
                    this.setState({
                        loading: false,
                        dataSource: responseJson
                    })
                }, 2000)

            })
            .catch(error => console.log(error))
    }