![]() ![]() ![]() We have to use descriptive titles that explain the class’s capabilities. Naming convention rules for JavaScript classes are pretty similar to functions. var DAYS_UNTIL_TOMORROW = 1 Īll the constants should be defined at the start of your file, method, or class. If the variable declaration name contains more than one word, you should use UPPER_SNAKE_CASE. However, these constants should be written in uppercase because they are nonchanging variables. JavaScript constants are also case-sensitive. For example, if we declare a function to retrieve a name, the function name should be getName. In addition to that, you should use descriptive nouns and verbs as prefixes. So, similar to variables, the camel case approach is the recommended way to declare function names. JavaScript function names are also case-sensitive. For example, if you need a Boolean variable to check if a dog has an owner, you should use hasOwner as the variable name. ![]() When it comes to Boolean variables, we should use is or has as prefixes. ![]() For example, if you need a variable to store a dog’s name, you should use dogName instead of just Name since it is more meaningful. The names of variables should be self-explanatory and describe the stored value. You can use the camel case naming convention for all types of variables in JavaScript, and it will ensure that there aren’t multiple variables with the same name. However, the most recommended way to declare JavaScript variables is with camel case variable names. For example, you can define three unique variables to store a dog name, as follows. Lowercase and uppercase letters are distinct. JavaScript variable names are case-sensitive. In this article, I will discuss 10 JavaScript naming convention best practices you should follow. However, many developers are not aware of how to use naming conventions correctly, and sometimes they make things complicated.
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