Course Content
Introduction to JavaScript
Literals are just values in the program. Any number or text in quotes is literal (15
, 12.25
, "Hi"
, 'Word'
). You can insert a literal into a variable for repeated use.
Variables play a crucial role in programming.
Note
Variables are named entities that store values that can be changed and utilized an unlimited number of times within a program.
To utilize a variable, it must first be defined. This is accomplished by selecting a variable name and using the let
keyword:
You can assign a value to a variable by using an assignment operator, such as =
:
Additionally, you can specify a value when defining a variable:
Usage
There are literals: 15
, 11
, "Hello"
, etc. Literals are some values that are used in code. Every literal should have a data type that will be described later.
You can use variables like literals in the code:
When the interpreter (the program that executes the code) looks for a literal but finds a variable, it receives the value of that variable as a literal.

Section 2.
Chapter 1