--- title: Naming Convention for JavaScript --- Here you will get an overview of the different code cases that are widely used. ## camelCase In programming, camelCase formatting for variable names looks like this: var camelCase = "lower-case first word, capitalize each subsequent word"; ## PascalCase PascalCase (or CamelCase) is a variant of camelCase. It differs from camelCase by capitalizing every word, *including* the first word: var PascalCase = "upper-case every word"; ## snake_case Another popular case called snake_case separates each word with underscores in this manner: var snake_case = "lower-case everything, but separate words with underscores";