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
In JavaScript, is 'myVariable' the same as 'myvariable'?
A). Yes
B). No
C). Depends on the context
D). Only in strict mode
How should constants be declared to avoid confusion with variable names?
A). UPPERCASE
B). lowercase
C). camelCase
D). snake_case
What is the effect of case sensitivity on debugging JavaScript code?
A). No effect
B). Makes it easier
C). Makes it harder
D). No significant impact
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
What is the significance of case sensitivity in JavaScript?
A). Enhances code readability
B). Reduces code size
C). Improves performance
D). Differentiates identifiers
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 will JavaScript handle 'VarName' and 'varName' in the same scope?
A). Treat as the same
B). Treat as different
C). Throw an error
D). Ignore one
Which of the following is a correct variable declaration in JavaScript?
A). var Variable = 1;
B). var variable = 1;
C). Both A and B
D). None of the above
How does JavaScript treat 'Function()' and 'function()'?
A). As the same function
B). As different functions
C). As a syntax error
D). As a reserved keyword