Nodejs HTML Escape htmlEscape()

Method Source Code

/**//from   w  w w .  j  a v a2 s . c  o m
 * A utility method for escaping HTML tag characters.
 * <p>From Ruby on Rails.</p>
 *
 * @returns {String} The escaped string.
 */
String.prototype.htmlEscape = function () {
  return this.replace(/"/g, '&quot;').replace(/>/g, '&gt;').replace(/</g, '&lt;').replace(/&/g, '&amp;');
};

Related

1. htmlEscape()

   String.prototype.htmlEscape = function (){
       var escapedStr = String(this).replace(/&/g, '&');
       escapedStr = escapedStr.replace(/\s/g, ' ');
       return escapedStr;
   var text = 'This is for testing';
   console.log(text);
   text = text.htmlEscape(); 
   console.log(text);
   ...
   

2. htmlEscape()

   String.prototype.htmlEscape = function (){
     var escapedStr = String(this).replace(/&/g, '&');
     escapedStr = escapedStr.replace(/</g, '&lt;');
     escapedStr = escapedStr.replace(/>/g, '&gt;');
     escapedStr = escapedStr.replace(/"/g, '&quot;');
     escapedStr = escapedStr.replace(/'/g, "&#39");
     return escapedStr;
   

3. htmlEscape()

   String.prototype.htmlEscape = function() {
       return this.replace(/&/g, '&')
           .replace(/</g, '&lt;')
           .replace(/>/g, '&gt;')
           .replace(/"/g, '&quot;')
           .replace(/'/g, '&#39;');
   console.log('<script>'.htmlEscape()); 
   

4. htmlEscape()

   "use strict";
   String.prototype.htmlEscape = function()
     return this.
       replace(/&/g, '&').
       replace(/</g, '&lt;').
       replace(/>/g, '&gt;').
       replace(/"/g, '&quot;').
       replace(/\n/g, '<br/>');
   ...
   

5. htmlEscape()

   String.prototype.htmlEscape = function() {
     var obj = document.createElement('div');
     if (typeof obj.textContent != 'undefined') {
       obj.textContent = this;
     } else {
       obj.innerText = this;
     return obj.innerHTML;
   };
   ...
   

6. normalizeHtml()

   String.prototype.normalizeHtml = function () {
       return  this.replace(/(\n|\r|\t|\s\s+)/gm, "").trim();
   };