What are the different data types present in JavaScript?
I am 17 years old and a young passionate and self-taught frontend web developer and have an intention to become a successful developer. I usually write about JavaScript and Web Development and share some tips in the articles.
To know the type of the value/variable, we can use the typeof operator
Primitive Types
- String
A string is represented by the series of characters enclosed by double/single quotes
const name = "SnowBit"
const favLang = "JavaScript"
- Integer
It represents a number that can be written with or without a decimal
const age = 18
const price = 24.02
- Boolean
It is a logical entity that has only two values: true and false, basically, booleans are used for conditional operations
const access = true
const isAdmin = false
- Undefined
When a variable is declared but not assigned, the value of that variable is undefined
- Null
It represents invalid or non-existent value
const api = null
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