Javascript

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4 Terms

1

What is JavaScript?

JavaScript is a high-level, interpreted scripting language used to make web pages interactive. It's an essential technology along with HTML and CSS.

2

What is a variable in JavaScript?

A variable is a container for storing data values. It's a symbolic name for a value.

3

How do you declare a variable in JavaScript?

Variables can be declared using var, let, or const keywords. For example: let x = 10;

4

What are the primary data types in JavaScript?

Common data types include: string, number, boolean, null, undefined, symbol, BigInt, and object.