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

The video tutorial explains the rules for naming variables in JavaScript. It covers the prohibition of spaces in variable names, the use of camel case for readability, and the restriction on starting variable names with numbers. It also highlights the importance of avoiding reserved keywords in JavaScript when naming variables. The tutorial provides examples to illustrate these rules, ensuring that viewers understand how to create valid and readable variable names in JavaScript.

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

• Use underscores between words

• Use all uppercase letters

• Use camel case

• Use spaces 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 causes syntax errors

• It is not readable

• It is allowed, but not recommended

• It is reserved for special functions

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

• functionName

• variableName

• let

• myVariable

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

• The keyword will be overridden

• An error will occur

• The variable will be ignored

• The code will run without any issues