Q:

get element by class

var elementsArray = document.getElementsByClassName("someclassname");
31
var elements = document.getElementsByClassName(names); // or:
var elements = rootElement.getElementsByClassName(names);
-1

 var x =
 document.getElementsByClassName("example");

 
2
var elements = document.querySelector(".class");
0
const whiteBoxes = document.getElementsByClassName("box-white")
0

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