js make node with string

1function htmlToElement(html) {
2    var template = document.createElement('template');
3    html = html.trim(); // Never return a text node of whitespace as the result
4    template.innerHTML = html;
5    return template.content.firstChild;
6}

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}