document get element 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: javascript get element by class

var elements = document.querySelector(".class");

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 document object model getElementsByClassName

document.getElementsByClassName('test')

Example 6: get element by class name

var y = document.getElementsByClassName('foo');
var aNode = y[0];