Counting elements by class name?

Question

So I was wondering if it's possible to count the number of elements with a certain class name using js.

Answer 1

document.getElementsByClassName() returns an array so the amount of elements is the length of the array,

document.getElementsByClassName("class").length

Answer 2

You should get the length of a call of GetElementsByClassName

Answer 3

Well, I want to count the number of divs with the class name "entry" and display it on the webpage

Answer 4

So dumb question

how do I display it on the webpage