Why is camel case preferred in JavaScript for variable names?

How would you convert 'main page title' to camel case?

A). MainPageTitle

B). mainPageTitle

C). mainpageTitle

D). mainPageTitle

What is the camel case equivalent of 'total cost'?

A). TotalCost

B). totalCost

C). totalcost

D). total_cost

How is the following string 'my javascript function' correctly written in camel case?

A). myJavascriptFunction

B). MyJavascriptFunction

C). myJavascriptfunction

D). myJavaScriptFunction

In JavaScript, camel case is primarily used for naming:

A). Functions and variables

B). Constants

C). Files

D). Libraries

What will the variable myVarName look like in camel case?

A). myvarname

B). MyVarName

C). myVarName

D). my_var_name

Which statement about camel case is true?

A). It is mandatory in JavaScript

B). It is a common naming convention

C). It is used for class names only

D). It is only used in JavaScript

Which of the following is an example of camel case?

A). my_variable

B). MyVariable

C). myVariableName

D). MY_VARIABLE

Which of the following is NOT written in camel case?

A). userName

B). UserName

C). username

D). user_name

Which variable name follows camel case convention?

A). studentName

B). StudentName

C). student_name

D). STUDENT_NAME

What is camel case in JavaScript?

A). A way of writing variables

B). A loop statement

C). A function declaration

D). A method of debugging