Element.className

Baseline Widely available

This feature is well established and works across many devices and browser versions. Itâs been available across browsers since â¨2015ë 7ìâ©.

ê°ì

className í¹ì ìë¦¬ë¨¼í¸ì í´ëì¤ ìì±ì ê°ì ê°ì ¸ì¤ê±°ë ì¤ì í ì ìë¤.

var cName = elementNodeReference.className;
elementNodeReference.className = cName;

let elm = document.getElementById("item");

if (elm.className === "active") {
  elm.className = "inactive";
} else {
  elm.className = "active";
}

ë§ì ì¸ì´ìì DOM ì¡°ìì ìí´ ì¬ì©ëë "class " í¤ìëìì í¼ëì ì¤ì´ê¸° ìíì¬ class ëì classNameì´ë¼ë íë¡í¼í° ëªì ì¬ì©íë¤.

Specification
DOM # ref-for-dom-element-classnameâ