getElement by class name code example
Example 1: javascript get element by class
var elementsArray = document.getElementsByClassName("someclassname");
Example 2: getelementbyclass
var selector = document.getElementsByClassName('class-name');
Example 3: get element by class
var elements = document.getElementsByClassName(names);
var elements = rootElement.getElementsByClassName(names);
Example 4: how to get element by class name javascript
document.getElementsByClassName("legend").style.display="none";
Example 5: javascript get element by class
var elements = document.querySelector(".class");
Example 6: get name of class javascript
myObj.constructor.name