About Lesson
Introduction:
There are majorly two types of languages. First, one is Statically typed language where each variable and expression type is already known at compile time. Once a variable is declared to be of a certain data type, it cannot hold values of other data types.
JavaScript is a dynamically typed (also called loosely typed) scripting language. That is, in JavaScript variables can receive different data types over time. Datatypes are basically typed data that can be used and manipulated in a program.
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