code: function escapeSpecial(value) {
      let specialMaps = {
          '&lt;': '<',
          '&gt;': '>',
          '&quote;': '"',
          '&#39;': '\''
      };
      for (let n in specialMaps) {
          value = value.replace(new RegExp(n, 'g'), specialMaps[n]);
      }
      return value;
  }
docs: Convert entity value in value to(> < " ')
  
  @param {string} value
  @returns {string}