Understanding Variables in Programming

Front

In JavaScript, which keyword is used to declare a variable? Options: var, let, const, int

Back

let

Front

What is the purpose of the assignment operator in JavaScript?

Back

To assign a value to a variable

Front

When using CamelCase in JavaScript, how should words be written?

Back

Words together with capitalized first letters

Front

Fill in the blank: The keyword 'let' is only needed when ____ a variable.

Back

creating

Front

What analogy is used to explain variables in the document?

Back

A box

Front

What types of values can we store in variables in JavaScript?

Back

Numbers, booleans, and strings

Front

Which of the following is an example of an integer in JavaScript? 3.14, 0, 22.3, 99.99

Back

0

Front

What is a boolean variable?

Back

A variable that can be true or false.

Front

Fill in the blank: String concatenation in JavaScript is used to ______.

Back

Combine strings

Front

What is the result of concatenating 'Hello' and 'World' in JavaScript?

Back

HelloWorld