29.
How do you determine the number of elements in an array in JavaScript?
By using the elements method of the array.
By using the size method of the array.
By using the count property of the array.
By using the length property of the array.
Correct: D
In JavaScript, arrays have a built-in property called length that allows you to determine the number of elements in the array. By accessing the length property of an array, you can get the total count of elements in the array.