convert to node javascript

1/**
2 * Convert a template string into HTML DOM nodes
3 * @param  {String} str The template string
4 * @return {Node}       The template HTML
5 */
6var stringToHTML = function (str) {
7	var parser = new DOMParser();
8	var doc = parser.parseFromString(str, 'text/html');
9	return doc.body;
10};
11

1function createElementFromHTML(htmlString) {
2  var div = document.createElement('div');
3  div.innerHTML = htmlString.trim();
4
5  // Change this to div.childNodes to support multiple top-level nodes
6  return div.firstChild; 
7}

1Object.keys(obj).forEach(key => {
2  if (obj[key] === undefined) {
3    delete obj[key];
4  }
5});