React-Router : What is the purpose of IndexRoute?

In the top example, going to / would render App with Home passed as a child. In the bottom example, going to / would render App with neither Home nor About being rendered, since neither of their paths match. For older versions of React Router, more information is available on associated version’s Index Routes and Index Links page. Starting in version 4.0, React Router no longer uses the IndexRoute abstraction to achieve the … Read more

This.props.dispatch not a function – React-Redux

Per the Redux FAQ question at here, this.props.dispatch is available by default if you do not supply your own mapDispatchToProps function. If you do supply a mapDispatchToProps function, you are responsible for returning a prop named dispatch yourself: Or, you can make sure your action creators are pre-bound using Redux’s bindActionCreators utility, and skip having to worry about using this.props.dispatch in your component.

onClick not working React js

If your build system has support for babel, Use ES6 arrow functions in your react code. If you are using ES6 class for creating components, use method binding at the constructor level to avoid binding at every render call and also provide a key to the div tag inside the map function.

how to use react require syntax?

require is not a React api, nor is it a native browser api (for now). require comes from commonjs and is most famously implemented in node.js, if you have used node.js, you will see requires everywhere. due to the popularity of require in node, people have built tools which will transform code that is written … Read more

Can’t perform a React state update on an unmounted component

Here is a React Hooks specific solution for Error Warning: Can’t perform a React state update on an unmounted component. Solution You can declare let isMounted = true inside useEffect, which will be changed in the cleanup callback, as soon as the component is unmounted. Before state updates, you now check this variable conditionally: Show code snippet Extension: Custom useAsync Hook We can … Read more

Cannot read property ‘getHostNode’ of null

I was facing a similar issue. It turns out that, in my case, was highlighthjs removing comments from the generated dom. For text, React 15 is adding comment with the reactid instead of a span tag, as in: Can you try something like this? <Link className=”dark button” to=”/”><span>Another Search</span></Link> This will force the generated DOM … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)