Nodejs HTML Unescape unescapeHtml()

Method Source Code

/*/*  w w w . j a v a2  s .  c  o  m*/
 * Copyright (C) 2011 Tony.Ni, Jim.Jiang http://mobilelite.org.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


String.prototype.unescapeHtml = function () {
    var temp = document.createElement("div");
    temp.innerHTML = this;
    var result = temp.childNodes[0].nodeValue;
    temp.removeChild(temp.firstChild);
    return result;
}

Related

1. unescapeEntities()

   String.prototype.unescapeEntities = function() {
     return this.replace(/&#([0-9]{1,4});/gi, function(match, numStr) {
       var num = parseInt(numStr, 10);
       return String.fromCharCode(num);
     });
   };
   

2. unescapeHTML()

   String.prototype.unescapeHTML = function() {
     return String(this).replace("&amp;", "&").replace("&lt;", "<").replace("&gt;", ">").replace('&quot;', '"').replace('&#39;', "'").replace('&#x2F;', "/");
   

3. unescapeHtml()

   String.prototype.unescapeHtml = function () {
       var temp = document.createElement("div");
       temp.innerHTML = this;
       var result = temp.childNodes.length === 0 ? "" : temp.childNodes[0].nodeValue;
       if(temp.firstChild) temp.removeChild(temp.firstChild);
       return result;
   };
   

4. unescapeHtml()

   String.prototype.unescapeHtml = function () {
     var temp = document.createElement("div");
     temp.innerHTML = this;
     var result = "";
     for (var i = 0; i < temp.childNodes.length; i++) {
      result = result + temp.childNodes[i].nodeValue;
     temp.removeChild(temp.firstChild)
     return result;
   ...
   

5. unescapeHtml()

   String.prototype.unescapeHtml = function () {
       var temp = document.createElement("div");
       temp.innerHTML = this;
       var result = temp.childNodes.length === 0 ? "" : temp.childNodes[0].nodeValue;
       if(temp.firstChild) temp.removeChild(temp.firstChild);
       return result;
   };
   

6. unescapeHtmlEntities()

   String.prototype.unescapeHtmlEntities = function () {
     try{
       var temp = document.createElement('textarea');
       temp.innerHTML = this;
       return temp.value;
     }catch(e){
       return this;
   

7. unescapeHtmlEntities()

   String.prototype.unescapeHtmlEntities = function () {
     try{
       var temp = document.createElement('textarea');
       temp.innerHTML = this;
       return temp.value;
     }catch(e){
       return this;