What are the different types in JavaScript?
An example of an AI chatbot conversation about JavaScript data types.
What are the different types in JavaScript?
JavaScript has several data types, including primitive types like Number, String, Boolean, null, undefined, and Symbol, as well as complex types like Object.
Can you explain the difference between null and undefined?
Sure! 'null' is an intentional absence of any object value, while 'undefined' means a variable has been declared but not assigned a value.
What about arrays and functions? Are they considered types?
Yes, arrays are a special type of object in JavaScript, and functions are also objects. They can hold multiple values and can be invoked, respectively.
How do I check the type of a variable?
You can use the 'typeof' operator to check the type of a variable. For example, 'typeof myVar' will return the type of 'myVar'.
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