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snippets/javascript-naming-conventions.md

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+---
+title: JavaScript naming conventions
+shortTitle: Naming conventions
+type: story
+tags: [javascript,variable,cheatsheet]
+author: chalarangelo
+cover: naming-conventions
+excerpt: Naming conventions, while not easy to enforce, make code easier to read and understand. Learn how to name your variables in JavaScript with this handy guide.
+dateModified: 2021-06-12T19:30:41+03:00
+---
+
+### Variables
+
+- Names are case-sensitive, lowercase and uppercase are different.
+- Start variable names with a letter, use `camelCase` for names.
+- Variable names should be self-descriptive, describing the stored value.
+- Boolean variables are usually prefixed with `is` or `has`.
+
+### Functions
+
+- Names are case-sensitive, lowercase and uppercase are different.
+- Start function names with a letter, use `camelCase` for names.
+- Use descriptive names, usually verbs in the imperative form.
+- Common prefixes are `get`, `make`, `apply` etc.
+- Class methods follow the same rules.
+
+### Constant
+
+- Names are case-sensitive, lowercase and uppercase are different.
+- Define constants at the top of your file, function or class.
+- Sometimes `UPPER_SNAKE_CASE` is used, while other times plain `camelCase`.
+
+### Classes
+
+- Names are case-sensitive, lowercase and uppercase are different.
+- Start class names with a capital letter, use `PascalCase` for names.
+- Use descriptive names, explaining the functionality of the class.
+- Components, which are used in frontend frameworks follow the same rules.
+
+### Private
+
+- Prefix any variable or function with `_` to show intention for it to be private.
+- As a convention, this will not prevent other parts of the code from accessing it.