Sometimes, we want to detect page refresh by pressing F5 in a React component. In…

Sometimes, we want to use fetch API to Get an image from a URL. In…

Sometimes, we want to update and merge state object using React useState hook. In this…

Sometimes, we want to set the port of the dev server in a Next.js project.…

Sometimes, we want to only allow numbers to be entered in an input in React.…

Sometimes, we may run into the “Objects are not valid as a React child (found:…

Sometimes, we want to render multiple React components in a React component. In this article,…

Sometimes, we may run into the “Uncaught TypeError: Cannot read property ‘push’ of undefined” error…

Sometimes, we want to add event bubbling and capturing in React. In this article, we’ll…

Sometimes, we may run into the “Warning: validateDOMNesting(…): <a> cannot appear as a descendant of…