reactjs

Why calling react setState method doesn’t mutate the state immediately?

From React’s documentation: setState() does not immediately mutate this.state but creates a pending state transition. Accessing this.state after calling this method can potentially return the existing value. There is no guarantee of synchronous operation of calls to setState and calls may be batched for performance gains. If you want a function to be executed after … Read more

The useState set method is not reflecting a change immediately

Much like setState in Class components created by extending React.Component or React.PureComponent, the state update using the updater provided by useState hook is also asynchronous, and will not be reflected immediately. Also, the main issue here is not just the asynchronous nature but the fact that state values are used by functions based on their … Read more

We simply cannot write “ in ReactJS?

We could pass all HTML attributes to a React component as a prop and then inside the component’s render function assign those props to the actual DOM HTML element. const Foo = ({style}) => ( <div style={style}> // assigning inline style to HTML dom element This is Foo </div> ) <Foo style={color: ‘red’} /> // … Read more

Is there a “Best Practices” on designing an application written both in React and React-Native?

Generally, you can share a lot of business logic between react native and web applications. By business logic, I basically mean the logic in your app that aren’t components. Trying to share components is pretty hard, since the base level components are different (View vs div, etc), and you generally want things structured pretty differently … Read more