Which of the following is not a valid identifier naming convention?
A). camelCase
B). snake_case
C). dash-case
D). PascalCase
Which of the following is not a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
What is the role of reserved keywords in JavaScript identifiers?
A). Can be used as identifiers without issues
B). Cannot be used as identifiers
C). Enhance code performance
D). Ensure code security
Which naming convention separates words with underscores?
A). camelCase
B). PascalCase
C). snake_case
D). kebab-case
Which of the following file extensions is commonly used for JavaScript files?
A). JavaScriptIdentifiers.docx
B). JavaScriptIdentifiers.java
C). JavaScriptIdentifiers.js
D). JavaScriptIdentifiers.html
Which of the following is a valid JavaScript identifier?
A). user-name
B). 2users
C). _user
D). user name
What is the significance of using meaningful names for identifiers?
A). Improve code efficiency
B). Make the code shorter
C). Enhance code readability
D). Ensure code security
Which type of case conversion is commonly used for naming variables in JavaScript?
A). UPPERCASE
B). lowercase
C). camelCase
D). kebab-case
What is the correct way to represent a constant in JavaScript?
A). CONSTANT_VALUE
B). constantValue
C). const_value
D). ConstValue
Which of the following is a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable