Attribute equal to another several attributes

Question

There are several attributes of div. One of them, for example, data-percentage must be equal to another several attributes.
So the result will be:
data-first="one" data-second="two" data-third="three" data-fourth="one two three"

How to get this in jQuery?

Answer 1

I thing that is something like this
$(function() {
var val = $("div").attr("data-first");
alert(val);
});
And son on...

Here more info:

https://www.sololearn.com/learn/jQuery/2794/