Welcome back everyone to my second blog on basics of JavaScript. I want to continue our talk on some of the fundamentals in JavaScript.
In the last blog, I talked about what a variable is, how to declare a variable, and how to assign a variable a value. If you didn’t get a chance to check that out the make sure you read it here. Alternatively, you can watch the video on YouTube here.
In this blog, I want to take the time to go over the different data types that exist in JavaScript according to EcmaScript standards.
What is a data type?
Data type in programming is a category of data that is often represented in a specific way to be distinguished between each other.
What are the data types available in JavaScript?
- Number
- String
- Boolean
- Undefined
- Null
- Symbol (As of EcmaScript 2015)
- Object
These data types also have two categories: Primitive vs. Non-Primitive
What is a primitive data type and which ones?
Primitive data types are immutable meaning not able to be changed and these are the primitive types in JavaScript: