/** JQuery Html Encoding、Decoding * 原理是利用JQuery自帶的html()和text()函數可以轉義Html字符 * 虛擬一個Div通過賦值和取值來得到想要的Html編碼或者解碼 */ <script src="http://libs.baidu.com/jquery/1.9.0/jquery.js"></script> <script type="text/javascript"> //Html編碼獲取Html轉義實體 function htmlEncode(value){  return $('<div/>').text(value).html(); } //Html解碼獲取Html實體 function htmlDecode(value){  return $('<div/>').html(value).text(); } </script> 

<script type="text/javascript"> //獲取Html轉義字符 function htmlEncode( html ) {  return document.createElement( 'a' ).appendChild(   document.createTextNode( html ) ).parentNode.innerHTML; }; //獲取Html function htmlDecode( html ) {  var a = document.createElement( 'a' ); a.innerHTML = html;  return a.textContent; }; </script> 

//編碼  function html_encode(str)  {  var s = "";  if (str.length == 0) return "";  s = str.replace(/&/g, ">");  s = s.replace(/</g, "<");  s = s.replace(/>/g, ">");  s = s.replace(/ /g, " ");  s = s.replace(//'/g, "'");  s = s.replace(//"/g, """);  s = s.replace(//n/g, "<br>");  return s;  }  //解碼  function html_decode(str)  {  var s = "";  if (str.length == 0) return "";  s = str.replace(/>/g, "&");  s = s.replace(/</g, "<");  s = s.replace(/>/g, ">");  s = s.replace(/ /g, " ");  s = s.replace(/'/g, "/'");  s = s.replace(/"/g, "/"");  s = s.replace(/<br>/g, "/n");  return s;  }