All you need to know before going for a REACT.JS interview
BASIC STUFF :- There are a couple primary pillars in the JavaScript toolchain: Dependency Management, Linting, Style-checking, Transpilation, and Compilation, Minification, Source-Mapping. PROPS and STATE :- Props is the shorthand for Properties in React. They are read-only components which must be kept pure i.e. immutable. They are always passed down from the parent to the child components throughout the application. A child component can never send a prop back to the parent component. This help in maintaining the unidirectional data flow and are generally used to render the dynamically generated data. States are the heart of React components. States are the source of data and must be kept as simple as possible. Basically, states are the objects which determine components rendering and behavior. They are mutable unlike the props and create dynamic and interactive components. They are accessed via this.state(). Every component's props object has a property named chi...