References,

JavaScript: The Good Parts https://www.amazon.com/JavaScript-Good-Parts-Douglas-Crockford/dp/0596517742

Learning JavaScript Design Patterns: A JavaScript and jQuery Developer's Guide https://www.amazon.com/Learning-JavaScript-Design-Patterns-Developers/dp/1449331815

Clean Code: A Handbook of Agile Software Craftsmanship https://www.amazon.com/Clean-Code-Handbook-Software-Craftsmanship/dp/0132350882