What will be the output of the following code: function test() { return 'Hello'; } alert(test());?
A). undefined
B). test
C). Hello
D). error
Which of the following is an example of an arrow function?
A). function => { }
B). () => { }
C). arrow function() { }
D). => function() { }
What is the scope of a variable declared inside a function?
A). Global
B). Local to the function
C). Local to the script
D). It depends on the variable type
How do you define a default parameter in a function?
A). function myFunction(param = 10) { }
B). function myFunction(param == 10) { }
C). function myFunction(param := 10) { }
D). function myFunction(param : 10) { }
How do you define an Immediately Invoked Function Expression (IIFE)?
A). function() { }();
B). (function() { })();
C). function() { }();
D). function() ( ) { }
How do you create a function expression in JavaScript?
A). var myFunction = function() { };
B). function myFunction = { };
C). function = myFunction() { };
D). var function() = myFunction { };
What is the purpose of the return statement in a function?
A). To output a value to the console
B). To exit a function and return a value
C). To pass a value to another function
D). To loop through a function
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 call a function named myFunction?
A). call myFunction()
B). myFunction()
C). call function myFunction()
D). myFunction(call)
How do you write an anonymous function in JavaScript?
A). function() { }
B). function anonymous() { }
C). func() { }
D). function: anonymous() { }