Which of the following is not a valid identifier naming convention?
A). camelCase
B). snake_case
C). dash-case
D). PascalCase
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 of the following is not a valid JavaScript identifier?
A). first_name
B). $2users
C). break
D). myVar
What is the correct way to represent the identifier 'improveCode' using camelCase?
A). improveCode
B). Improve-Code
C). IMPROVECODE
D). improve_code
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 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 not a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
What is the purpose of following naming conventions for identifiers?
A). Improve code performance
B). Enhance code readability and maintainability
C). Ensure cross-browser compatibility
D). Reduce code size
Which naming convention uses hyphens to separate words?
A). CamelCase
B). snake_case
C). Kebab-Case
D). PascalCase
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