What is a function in JavaScript?
A). A variable
B). A loop
C). A block of code that performs a specific task
D). An object
How do you define a function in JavaScript using a function declaration?
A). function myFunction() { /* code */ }
B). myFunction = function() { /* code */ }
C). myFunction() { /* code */ }
D). myFunction: function() { /* code */ }
What is the return statement used for in a function?
A). To stop the execution of the function
B). To specify the function's name
C). To return a value from the function
D). To define object properties
What is an object in JavaScript?
A). A type of function
B). A collection of key-value pairs
C). A type of array
D). A type of boolean
How do you call a function in JavaScript?
A). Using the execute() method
B). Using the call() method
C). Using the run() method
D). By using the function name followed by parentheses
How do you access a property of an object in JavaScript?
A). Using dot notation (objectName.propertyName)
B). Using square brackets (objectName['propertyName'])
C). Both A and B
D). Neither A nor B
What is the purpose of parameters in a function?
A). To store values
B). To specify the function name
C). To receive inputs and data
D). To create loops
How do you access an array element at a specific index in JavaScript?
A). Using square brackets notation (arrayName[index])
B). Using dot notation (arrayName.elementName)
C). Using parentheses notation (arrayName(index))
D). Using curly braces notation (arrayName{index})
How do you add an element to the end of an array in JavaScript?
A). Using the push() method
B). Using the add() method
C). Using the append() method
D). Using the end() method
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string