One should never update the state directly because of the following reasons: If you update it directly, calling the setState() afterward may just replace the update you made. When you directly update the state, it does not change this.
Read moreHow can I update state of a component?
The steps are discussed below.
Read moreWhat is the use of state in React?
React components has a built-in state object. The state object is where you store property values that belongs to the component . When the state object changes, the component re-renders.
Read moreWhy we use state in React instead of variable?
Though using state may seem similar to class variable but state is a protected keyword in React that refers to stored component data . The major difference between using class variables and state is updating data. Instead of manually reassigning the variable, you call this. setState() .
Read moreHow do you handle state in React?
Local state is perhaps the easiest kind of state to manage in React, considering there are so many tools built into the core React library for managing it. useState is the first tool you should reach for to manage state in your components . It can take accept any valid data value, including primitive and object values.
Read moreHow do you get state value in React?
The state and props in React are always in an object format. This means that the value could be accessed from the state and props via key-value pair . To access the normal state object, you can use the key name from the object. The state object will look as shown below.
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