getelementsbyclassname

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

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

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

 

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

 

var selector = document.getElementsByClassName('class-name');

document.getElementsByClassName('Name');

document.getElementsByClassName("(enter class name)");

document.getElementsByClassName('test')

//get array of class names in Javascript
var classesArray = document.getElementById('myElementID').className.split(/\s+/);