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Style Guides


Also known as Programming Styles and Coding Conventions, style guides are sets of rules used by developers to ensure consistent formatting and organization of their code.


A style guide or style manual is a set of standards for the writing and design of code. The implementation of a style guide provides uniformity in code style and formatting, often covering guidelines regarding indentation (tabs vs. spaces), variable and function naming conventions, where best to apply whitespace and so on.[1]

Style guides ensure consistent formatting and organization of their code. Some Style Guides may also include a Naming Convention which is a set of rules for choosing the character sequence to be used for identifiers which denote variables, types and functions etc. in source code and documentation.[2]

Naming Conventions[2]

  • UpperCamelCase : with the first letter of every word capitalized
  • lowerCamelCase : with the first letter lowercase and the first letters of subsequent words in uppercase
  • UPPERCASE : with all letters in uppercase, separated by an underscore (_) or a dash (-)
  • lowercase : with all letters in lowercase, separated by an underscore (_) or a dash (-)
  • Hungarian Notation : with type prefix, see

Common Style Guides



  1. 1.01.1 JavaScript Style Guides And Beautifiers, by Addy Osmani.
  2. 2.02.1 Naming Convention, on Wikipedia.
  3. Css Style Guides, by Chris Coyer.