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Clean code needs good names. Use these styles to keep your code readable.
- camelCase (firstName): Variables and functions.
- PascalCase (FirstName): Classes and components.
- snake_case (first_name): Python and databases.
- UPPER_SNAKE_CASE (MAX_SIZE): Constants.
- kebab-case (first-name): URLs and CSS.
JavaScript variables have rules. Use letters, numbers, underscores, and dollar signs.
Do not use hyphens in JS variable names. JavaScript sees a hyphen as a minus sign. A name like first-name causes an error.
Source: https://dev.to/raja_b_0c9d242e2c26cf063b/javascript-naming-conventions-3go5