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 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 method named greet that belongs to an object person?
A). person(greet);
B). person.greet();
C). greet.person();
D). call person.greet();
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
What is a method in JavaScript?
A). A function stored as a property of an object
B). A variable declared within a function
C). A keyword used to define a function
D). A loop within a function
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
What is the difference between function declarations and function expressions?
A). Function declarations are hoisted, function expressions are not
B). Function expressions are hoisted, function declarations are not
C). Function declarations cannot take parameters
D). Function expressions cannot return values
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 write an anonymous function in JavaScript?
A). function() { }
B). function anonymous() { }
C). func() { }
D). function: anonymous() { }