What are the different data types in JavaScript?
An example of an AI chatbot conversation about JavaScript data types.
What are the different data types in JavaScript?
JavaScript has several data types, including primitive types like string, number, boolean, null, undefined, and symbol, as well as complex types like objects and arrays.
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 is a symbol in JavaScript?
A symbol is a unique and immutable primitive value that can be used as the key of an object property, ensuring that property keys are unique.
How do arrays fit into JavaScript data types?
Arrays are a special type of object in JavaScript that can hold multiple values in a single variable, and they are dynamic in size.
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