Can JavaScript variables 'example' and 'Example' be declared in the same scope?
A). Yes
B). No
C). Only in strict mode
D). Only in non-strict mode
Can a function and a variable have the same name with different cases in JavaScript?
A). Yes
B). No
C). Only in strict mode
D). Only in non-strict mode
What is the recommended naming convention for JavaScript functions?
A). camelCase
B). UPPERCASE
C). snake_case
D). PascalCase
What is the significance of case sensitivity in JavaScript?
A). Enhances code readability
B). Reduces code size
C). Improves performance
D). Differentiates identifiers
Which of the following will create a case sensitivity error in JavaScript?
A). let firstName = 'John'; let firstname = 'Doe';
B). let FirstName = 'John'; let firstName = 'Doe';
C). let firstName = 'John'; let Firstname = 'Doe';
D). None of the above
In JavaScript, is 'myVariable' the same as 'myvariable'?
A). Yes
B). No
C). Depends on the context
D). Only in strict mode
Which of the following statements is true about case sensitivity in JavaScript?
A). Variable names are case-insensitive
B). Function names are case-insensitive
C). Identifiers are case-sensitive
D). All of the above
How should constants be declared to avoid confusion with variable names?
A). UPPERCASE
B). lowercase
C). camelCase
D). snake_case
How does JavaScript interpret the following? let varName = 5; let VarName = 10; console.log(varName, VarName);
A). 5 5
B). 10 10
C). 5 10
D). 10 5
How does JavaScript differentiate between 'myVar' and 'MyVar'?
A). It doesn't, both are the same
B). It treats them as different variables
C). It throws an error
D). None of the above