Q
What is the scope of a variable declared inside a function?

Answer & Solution

Answer: Option B
Solution:
Variables declared inside a function have local scope, meaning they are only accessible within that function.
Related Questions on Average

Which statement correctly defines a function named sum that returns the sum of two parameters a and b?

A). function sum(a, b) { return a + b; }

B). function sum(a, b) { a + b; }

C). function sum(a, b) return a + b;

D). function sum(a, b) { return (a + b) }

How do you call a method named greet that belongs to an object person?

A). person(greet);

B). person.greet();

C). greet.person();

D). call person.greet();

Which of the following is true about functions in JavaScript?

A). Functions cannot be nested

B). Functions can only have one parameter

C). Functions can be assigned to variables

D). Functions cannot return values

How do you define a function that takes parameters?

A). function myFunction[] { }

B). function myFunction(parameters) { }

C). function myFunction{parameters}

D). function myFunction((parameters)) { }

How do you call a function named myFunction?

A). call myFunction()

B). myFunction()

C). call function myFunction()

D). myFunction(call)

How can you return a value from a function?

A). return value;

B). give value;

C). send value;

D). output value;

How can you assign a function to a variable?

A). var myFunc = function() { };

B). var myFunc = function { };

C). var myFunc function() { };

D). var function myFunc() { };

Which of the following is an example of an arrow function?

A). function => { }

B). () => { }

C). arrow function() { }

D). => function() { }

Which keyword is used to declare a function in JavaScript?

A). func

B). function

C). def

D). declare

How can you define a function as a property of an object?

A). object.function = function() { };

B). object = { function() { } };

C). object: function() { };

D). object = { func: function() { } };