CSS Collapsible Menu using only CSS Collapsible menu is a very common component in a website. It is usually a list of items which can be expanded and collapsed by clicking on the menu title or icon. Watching the component we usually think it can only be done using javascript
React Good Practice on conditional rendering with && in React React is a very popular javascript library. The main reason is its using of virtual DOM. We know that we use JSX where we can render HTML components using javascript.