Index in array issue

[Kuzyo]

Hi to everyone. My situation: I have array with 200 elements var block = document.getElementsByClassName( 'block' ); 4 of elements have additional class box. How can I set to different variables index of elements with class box. Something like:

var first = 6 ( index of element with class box);
var second = 67 ( index of element with class box);
var third = 112 ( index of element with class box);
var fourth = 189 ( index of element with class box); 

Thanks for any help.

[Kuzyo]

Thanks @jamygolden. Your solution is very helpful, but my intention was recieve indexes, like boxes.push(i). Because of my english I couldn’t properly explain problem. Thanks again.

[Author]

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