var element = document.getElementById('div'); element.addEventListener('DOMSubtreeModified', myFunction); function myFunction(e) { console.log(element.innerHTML); } setTimeout(function(){ element.innerHTML = 'Hello World!'; }, 1000); setTimeout(function(){ element.innerHTML = 'Hello Space!'; }, 2000); 참조 https://www.phpschool.com/gnuboard4/bbs/boa... 더보기