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Showing posts from February, 2022

React useState Hook With Examples

The React useState hook is used to add state to your functional component. That way you can track the state in a component. Table of contents What does useState hook do React useState hook example Change state using previous state Using useState with forms Form example with multiple state hooks Form example with Single state hook What does useState hook do When we say useState tracks the state in a functional component it means it can track the changes in the data in your component which may be any variable, object in the component. Any change in the data can be termed as the state change and you would want that change to be reflected in the DOM. That’s where you will require useState hook in React. React useState hook example Let’s first see a simple example where useState is not used. Here we have a component with one variable name and that name is rendered along with a button. Click of the button triggers the clickHandler() function where name