What is the best practice for naming JavaScript identifiers?
A). Use short and cryptic names
B). Use meaningful and descriptive names
C). Use reserved keywords as identifiers
D). Use Unicode characters in identifiers
What is the naming convention that starts with a lowercase letter and each subsequent word starts with a capital letter?
A). camelCase
B). Snake_Case
C). kebab-case
D). PascalCase
Which of the following is a valid JavaScript variable name?
A). $varName
B). first_name
C).
D). _variable
Which naming convention separates words with underscores?
A). camelCase
B). PascalCase
C). snake_case
D). kebab-case
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 a valid JavaScript function name?
A). function 1
B). function_name
C). function()
D). $function
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
What is the correct way to represent the identifier 'improveCode' using camelCase?
A). improveCode
B). Improve-Code
C). IMPROVECODE
D). improve_code
Which of the following file extensions is commonly used for JavaScript files?
A). JavaScriptIdentifiers.docx
B). JavaScriptIdentifiers.java
C). JavaScriptIdentifiers.js
D). JavaScriptIdentifiers.html
What is the correct spelling for the naming convention starting with uppercase for each word?
A). Pascal_Case
B). pascalcase
C). pascalCase
D). PascalCase