How to use react's dispatch method

The usage of react's dispatch method is like "store.dispatch({ type: 'counter/incremented' })console.log(store.getState())", which means calling "store.dispatch()" and Pass in an action object, and then get the new state through "getState()".

#The operating environment of this tutorial: Windows 10 system, react18 version, Dell G3 computer.

How to use the dispatch method of react?

Dispatch in React

Redux store has a method called dispatch. The only way to update state is to call store.dispatch() and pass in an action object. The store will execute all reducer functions and calculate the updated state. The new state can be obtained by calling getState().

store.dispatch({ type: 'counter/incremented' })
 
console.log(store.getState())
// {value: 1}

dispatch An action can be understood vividly as "triggering an event". Something happened and we want the store to know about it. Reducers are like event listeners that update state in response when they receive the action they are interested in.

Recommended learning: "react video tutorial"

The above is the detailed content of How to use react's dispatch method. For more information, please follow other related articles on the PHP Chinese website!