![]() The operator can be used to find the type of data held by any value, or it can be used to find the type of a variable. Is a built-in JavaScript operator that returns a string indicating the type of data a particular value holds. For example, how you work with a string will be different to how you would work with a number. So, when you’re programming, you may want to determine how a particular value is stored so you know how you should be working with the data. Later in this article, we have a reference guide which explains how these values work.Įach of these six data types works in different ways. In JavaScript, there are six basic data types that can be used to hold particular types of data, which are: This means that a variable of the same name can be used to hold different types of data. JavaScript uses dynamic data types, which means that the type of data is checked during runtime instead of when the program is being compiled. Each type of data is treated differently by JavaScript, and each data type has its own methods that can only be used with data structured in the appropriate format. ![]() JavaScript features a number of data types which can be used to classify a certain type of data. , and you consent to receive offers and opportunities from Career Karma by telephone, text message, and email.
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