How to copy all or individual attributes of an html tag using js?

Question

JavaScript

Good afternoon!
Tell me how to copy attributes through JS, for example, this fragment

<circle id="Oval" cx="621.362" cy="249.517" r="6.626"></circle>

and at the output get the values ​​cx, cy and r, well, or entirely

Answer 1

var a =document.getElementById("Oval").getAttribute("cx");
alert(a);