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 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
What happens if you try to declare two variables with the same name but different cases?
A). Error
B). Both are declared
C). Only one is declared
D). None of the above
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 will be the output of the following code? let name = 'Alice'; let Name = 'Bob'; console.log(name, Name);
A). Alice Bob
B). Bob Alice
C). Alice Alice
D). Bob Bob
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
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
What is the recommended naming convention for JavaScript functions?
A). camelCase
B). UPPERCASE
C). snake_case
D). PascalCase
Is 'myfunction' the same as 'myFunction' in JavaScript?
A). Yes
B). No
C). Only in strict mode
D). Only in non-strict mode
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