how to detect changes in a div javascript code example

Example: how to detect changes in a div javascript

Press enter


  var MutationObserver = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver;
  var list = document.querySelector('ol');

  var observer = new MutationObserver(function(mutations) {
    mutations.forEach(function(mutation) {
      if (mutation.type === 'childList') {
        var list_values = [].slice.call(list.children)
            .map( function(node) { return node.innerHTML; })
            .filter( function(s) {
              if (s === '<br />') {
                return false;
              }
              else {
                return true;
              }
        });
        console.log(list_values);
      }
    });
  });

  observer.observe(list, {
  	attributes: true,
  	childList: true,
  	characterData: true
   });