> This is Sparta! # JavaScript and Node.js Cheatsheets * Express.js 4 Cheatsheet [online](https://github.com/azat-co/cheatsheets/tree/master/express4) or [PDF](https://github.com/azat-co/cheatsheets/tree/master/pdfs/express4-cheatsheet-webapplog.pdf) * MongoDB and Mongoose Cheatsheet [online](https://github.com/azat-co/cheatsheets/tree/master/mongodb-mongoose) or [PDF](https://github.com/azat-co/cheatsheets/tree/master/pdfs/mongodb-cheatsheet-webapplog.pdf) * React.js [online](https://github.com/azat-co/cheatsheets/tree/master/react) or [PDF](https://github.com/azat-co/cheatsheets/tree/master/pdfs/react-cheatsheet-webapplog.pdf) * ES6/ES2015 [online](https://github.com/azat-co/cheatsheets/tree/master/es6) or [PDF](https://github.com/azat-co/cheatsheets/tree/master/pdfs/es6-cheatsheet-webapplog.pdf) * JavaScript [online](https://github.com/azat-co/cheatsheets/tree/master/javascript) * Node.js and npm [online](https://github.com/azat-co/cheatsheets/tree/master/node-npm)