JavaScript is Case Sensitive Mockest | JavaScript

1.

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

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2.

In JavaScript, is 'myVariable' the same as 'myvariable'?

A). Yes B). No C). Depends on the context D). Only in strict mode

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3.

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

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4.

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

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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

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6.

Which of the following function names are considered identical in JavaScript?

A). myFunction and MyFunction B). myfunction and myFunction C). myFunction and myfunction D). None of the above

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7.

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

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8.

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

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9.

What is the significance of case sensitivity in JavaScript?

A). Enhances code readability B). Reduces code size C). Improves performance D). Differentiates identifiers

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10.

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

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JavaScript is Case Sensitive Mocktest

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