JavaScript Masterclass - Zero to Job-Ready with Hands-On Projects - Naming Conventions / 007-1

The video tutorial covers the rules for naming variables in JavaScript. It emphasizes that variable names cannot contain spaces and should use camel case for readability. Only alphabets and numbers are allowed, but variables cannot start with a number. Additionally, reserved keywords in JavaScript cannot be used as variable names. The tutorial provides examples and explanations to ensure understanding of these rules.

What is the recommended way to name a variable with multiple words in JavaScript?

• Use spaces between words

• Use camel case

• Use hyphens between words

• Use underscores between words

Which of the following is a valid variable name in JavaScript?

• Variable_1

• Variable-1

• Variable#1

• 1stVariable

Why can't a variable name start with a number in JavaScript?

• It is a convention to avoid confusion

• It is reserved for special functions

• It is not readable

• It causes syntax errors

Which of the following is a reserved keyword in JavaScript that cannot be used as a variable name?

• data

• variable

• function

• myVar

What will happen if you use a reserved keyword as a variable name in JavaScript?

• The code will run without any issues

• The code will not run and will throw an error

• The keyword will be ignored

• The code will run but with warnings