Hello everyone, welcome to the second blog of the beginner series.
In previous blog we talked about DOM method, today we will be discussing basics on Data types.
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what is data type?
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Data type describe the different types or kinds of data that we are gonna be working with and how things are stored. In javascript, there are 6 data types:
- String type
- Boolean type.
- Null type.
- Undefined type.
- BigInt type.
- Symbol type **
String:
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A string is a series of characters like "Harry". Also it could be a single character, a line of text, a paragraph, and so on. In javaScript there is no difference between single quotes and double quotes. You can use quotes inside a string, as long as they don't match the quotes surrounding the string.
Boolean Type:
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In programming there is only two type of values, like
- True or False
- yes or No.
Null type :
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JavaScript Null value represent the international absence of any object value.
Undefined type:
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A variable without a value defined has the value undefined. This is not similar as Null.
BigInt type :
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BigInt is a built-in object in javaScript. It's a primitive wrapper object used to represent and manipulate primitive BigInt values which are too large to be represented by the number primitive.
Symbol type :
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A symbol represents a unique identifier. we can create many symbols with the exactly the same description, but they are different values. Symbols are must be unique.
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Ending Notes
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This is all about Data Types, thanks for your reading till the end.
You will also check this link :
https://www.w3schools.com/js/
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