camelCase · snake_case · PascalCase · kebab-case · Title Case · 10+ formats
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camelCase writes compound words with no spaces and capitalises each word after the first (e.g. myVariableName). It is the dominant naming convention for variables and functions in JavaScript, TypeScript, Java and Swift.
PascalCase capitalises every word including the first (e.g. MyClassName), while camelCase keeps the first word lowercase. PascalCase is typically used for class names, React components and TypeScript interfaces; camelCase for variables and functions.
snake_case (underscores) is the standard in Python variables, SQL identifiers and file names. kebab-case (hyphens) is used in CSS class names, HTML data attributes, URL slugs and REST API paths.
SCREAMING_SNAKE_CASE is snake_case with all letters uppercased. It is the conventional format for constants and environment variables in most languages (e.g. MAX_RETRY_COUNT, API_BASE_URL).
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