Remove HTML entities

decode-entitties.js

// Reference: http://stackoverflow.com/a/13091266
function decode_entities(value) {
    var element = document.createElement('div');

  function decode_HTML_entities (str) {
    if (str && typeof str === 'string') {
      // Escape HTML before decoding for HTML Entities
      str = escape(str).replace(/%26/g,'&').replace(/%23/g,'#').replace(/%3B/g,';');

      element.innerHTML = str;
      if (element.innerText) {
          str = element.innerText;
          element.innerText = '';
      } else {
          // Firefox support
          str = element.textContent;
          element.textContent = '';
      }
    }

    return unescape(str);
  }

  return decode_HTML_entities(value);
}