Answers for "javacript create element with classname"

create element javascript with class

// create div element by javascript with class

var div = document.createElement('div');
div.className = "div1";

element.classname javascript

let el = document.getElementById('item');

if (el.className === 'active'){
  el.className = 'inactive';
} else {
  el.className = 'active';
}