A Short Note – React Terminology Cheatsheet

Hello Readers, CoolMonkTechie heartily welcomes you in A Short Note Series.

In this note series, we will learn about the commonly used ReactJS terminology and definitions. I will try to explain some common terminology from ReactJS.

ReactJS Terminology CheatSheet

So, Let’s begin.

  • Single-page Application – An application that loads a single HTML page and all the necessary assets (such as Javascript and CSS) required for the application to run.
  • ES6,ES2015,ES2016 – Most recent versions of the ECMAScript Language Specification standard, which is the javascript language is an implementation of.
  • Compiler – A Javascript compiler takes JavaScript code, transforms it and returns JavaScript code in a different format.
  • Bundlers – Bundlers takes JavaScript and CSS code written as separate modules and compile them together into a few files better optimized for the browser.
  • Package Managers – Package Managers are tools that allow you to manage dependencies in your project.
  • CDN – CDN stands for Content Delivery Network. CDNs deliver cached, static content from a network of servers across the globe.
  • Elements – React elements are the building blocks of React applications. An elements describes what you want to see on the screen.React elements are immutable.
  • JSX – Allows us to write HTML like syntax which gets transformed to lightweight Javascript objects.
  • Virtual DOM – A Javascript representation of the actual DOM.
  • React.Component – The way in which you create a new component.
  • render method – Describes what the UI will look like for the particular component.
  • ReactDOM.render – Renders a React component to a DOM node.
  • State – The internal data store (Object) of a component.
  • constructor (this.state) – The way in which you establish the initial state of a component.
  • setState – A helper method used for updating the state of a component and re-rendering the UI.
  • props – The data which is passed to the child component from the parent component.
  • propTypes – Allow you to control the presence or types of certain props passed to the child component.
  • defaultProps – Allows you set default props for your component.
  • props.children – Available on every component. It contains the content between the opening and closing tags of a component.
  • Component Lifecycle
    • componentDidMount – Fired before the component mounted.
    • componentWillUnmount – Fired after the component will unmount
    • getDerivedStateFromProps – Fired when the component mounts and whenever the props change.Used to update the state of a component when its props change
  • Events
    • onClick
    • onSubmit
    • onChange
  • Controlled Component – An input form element whose value is controlled by React
  • Uncontrolled Component – An uncontrolled component works like form elements do outside of React.


In this note series, We understood about the ReactJS Terminology Cheatsheet List.

Thanks for reading ! I hope you enjoyed and learned about ReactJS terminology. Reading is one thing, but the only way to master it is to do it yourself.

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