What are variables in JavaScript?
Variables in JavaScript are containers for storing data values. They are used for storing, retrieving and manipulating data. Variables can be declared using the “var” keyword, and can be given any name, such as x, myName, or totalSum. The value of a variable can be changed at any time.
What does it mean to declare a variable?
Declaring a variable means to create a variable and assigning it a name, data type, and an initial value. It is the first step in using a variable in a programming language.
What is an “assignment” operator, and what does it do?
An assignment operator is an operator that assigns a value to a variable. It is usually represented by the equals sign (=), and its purpose is to assign a value to a variable.
What is information received from the user called?
In JavaScript, information received from the user is called user input.