Walks the sample code for element attributes within a DOM object

Direct code:

For example, to get all the attributes of a button with id "BTN"

 
function showBtn() 
{ 
var tmp=""; 
var objBtn = document.getElementById("btn"); 
for(var i in objBtn) 
{ 
tmp += i+":"+objBtn[i]; 
} 
alert(tmp); 
}