What is a complex data type in JavaScript?
A). Number
B). Object
C). String
D). Boolean
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
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 a function in JavaScript?
A). A variable
B). A loop
C). A block of code that performs a specific task
D). An object
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 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
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 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
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.