get element by class
var elements = document.getElementsByClassName(names); // or:
var elements = rootElement.getElementsByClassName(names);get element by class
var elements = document.getElementsByClassName(names); // or:
var elements = rootElement.getElementsByClassName(names);get elment by id within get element byclassname
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
targetDiv.textContent = "Goodbye world!";Copyright © 2021 Codeinu
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