Count occurrences of array elements with JavaScript

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I have this JavaScript array with length 129.

var fullnames = [Karri, Ismo, Grigori, Ahmed, Roope, Arto .....]

I would like to find how many times those names appeared in an array and store that information in an array like this:

var counter = [2, 5, 7, ..]

where Karri occured in fullnames array 2 times, Ismo occured 5 times etc. Any ideas about how to do it?

asked 34 secs ago

supaplex

17

Count occurrences of array elements with JavaScript