<input type="text" id="txtBox" displayName="123456" />
獲取自定義屬性值:
document.getElementById("txtBox").getAttribute("displayName");
document.getElementById("txtInput").attributes["displayName"].nodeValue
設置自定義屬性值:
document.all.txtBox.setAttribute("displayName ","123456");
document.getElementById("txtInput").attributes["displayName"].nodeValue = "123456"
