javascript element by class code example

Example 1: javascript element by class

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

Example 2: get element by class

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

Example 3: javascript get element by class

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