get by class name code example

Example 1: javascript get element by class

var elementsArray = document.getElementsByClassName("someclassname");

Example 2: get element by class

var elements = document.getElementsByClassName(names); // or:
var elements = rootElement.getElementsByClassName(names);

Example 3: how to get element by class name javascript

document.getElementsByClassName("legend").style.display="none";

Example 4: get element by class

var x = document.getElementsByClassName("example");
var i;
for (i = 0; i < x.length; i++) {
  x[i].style.backgroundColor = "red";
}

Example 5: javascript get element by class

const whiteBoxes = document.getElementsByClassName("box-white")