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 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 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 result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
How do you define a method within an object in JavaScript?
A). By using the function keyword followed by the method name and code block.
B). By using the method keyword followed by the method name and code block.
C). By using the define keyword followed by the method name and code block.
D). By using the process keyword followed by the method name and code block.
What is a complex data type in JavaScript?
A). Number
B). Object
C). String
D). Boolean
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
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 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 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