Which of the following is a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
Which naming convention uses hyphens to separate words?
A). CamelCase
B). snake_case
C). Kebab-Case
D). PascalCase
Which of the following is not a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
What does the term 'case-sensitive' mean for identifiers in JavaScript?
A). Identifiers can have uppercase and lowercase letters interchangeably
B). Identifiers must have consistent capitalization throughout the code
C). Identifiers are not sensitive to case differences
D). Identifiers are sensitive to differences in uppercase and lowercase letters
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 not a valid identifier naming convention?
A). camelCase
B). snake_case
C). dash-case
D). PascalCase
Which naming convention separates words with underscores?
A). camelCase
B). PascalCase
C). snake_case
D). kebab-case
Which of the following is a valid JavaScript function name?
A). function 1
B). function_name
C). function()
D). $function
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