using reduxDvevTools code example
Example 1: redux devtools
window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__()
Example 2: redux devtools chrome
const store = createStore(
reducer, /* preloadedState, */
+ window.__REDUX_DEVTOOLS_EXTENSION__ && window.__REDUX_DEVTOOLS_EXTENSION__()
);