Answer & Solution
Answer: Option C
Solution:
The length property in JavaScript is used to determine the number of elements in an array.
Q
What is the purpose of using the length property with arrays in JavaScript?
Related Questions on Average
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 result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
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
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.
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
Which of the following represents a complex data type in JavaScript?
A). Boolean
B). Undefined
C). Null
D). Array
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 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
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
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