Answer & Solution
Answer: Option A
Solution:
Methods in JavaScript are defined within objects using the function keyword followed by the method name and code block, similar to how functions are defined.
Q
How do you define a method within an object in JavaScript?
Related Questions on Average
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})
What is the purpose of using the length property with arrays in JavaScript?
A). To access the last element of the array.
B). To add elements to the array.
C). To determine the number of elements in the array.
D). To access the first element of the array.
How can you remove the last element from an array in JavaScript?
A). Using the pop() method.
B). Using the shift() method.
C). Using the unshift() method.
D). Using the removeLast() method.
Which of the following statements accurately describes an object in JavaScript?
A). Objects are ordered collections of elements.
B). Objects are collections of key-value pairs.
C). Objects are sequences of characters.
D). Objects are single values.
What does the push() method do when used with an array in JavaScript?
A). Removes the last element from the array.
B). Adds elements to the end of the array.
C). Adds elements to the beginning of the array.
D). Sorts the elements in the array.
What is the purpose of using functions as values in JavaScript?
A). To define object properties
B). To store strings and numbers
C). To perform a specific task or operation
D). To represent complex data structures
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 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 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
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