JavaScript URL Decode function

Question

What s the best JavaScript URL decode utility   Encoding would be nice too and working well with jQuery is an added bonus

User · Answer

decodeURIComponent mystring     you can get passed parameters by using this bit of code     parse URL to get values  var i   getUrlVars    i    function getUrlVars         var vars       hash      var hashes   window location href slice window location href indexOf        1  split   amp         for  var i   0  i  lt  hashes length  i              hash   hashes i  split               vars push hash 0            vars hash 0     hash 1             return vars      Or this one-liner to get the parameters    location search split  your parameter    1

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If you are responsible for encoding the data in PHP using urlencode  PHP s rawurlencode works with JavaScript s decodeURIComponent without needing to replace the   character

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Here s what I used   In JavaScript   var url    http   www mynewsfeed com articles index php id 17   var encoded url   encodeURIComponent url    var decoded url   decodeURIComponent encoded url     In PHP    url    http   www mynewsfeed com articles index php id 17    encoded url   url encode url     decoded url   url decode  encoded url     You can also try it online here  http   www mynewsfeed x10 mx articles index php id 17

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How decodeURIComponent Works  function proURIDecoder val      val val replace     g    20      var str val split         var cval str 0     for  var i 1 i lt str length i            cval  String fromCharCode parseInt str i  substring 0 2  16   str i  substring 2          return cval     document write proURIDecoder window location href

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Here is a complete function  taken from PHPJS    function urldecode str       return decodeURIComponent  str     replace     g    20

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I ve used encodeURIComponent   and decodeURIComponent   too

User · Answer

decodeURIComponent   is fine  but you never want ot use encodeURIComponent   directly   This fails to escape reserved characters like             and     Check out RFC3986  where this is defined  for more info on that   The Mozilla Developer Network documentation gives both a good explanation and a solution   Explanation        To be more stringent in adhering to RFC 3986  which reserves             and     even though these characters have no formalized URI delimiting uses  the following can be safely used    Solution     function fixedEncodeURIComponent str      return encodeURIComponent str  replace          g  function c        return       c charCodeAt 0  toString 16             In case you re not sure  check out a good  working demo at JSBin com   Compare this with a bad  working demo at JSBin com using encodeURIComponent   directly   Good code results      thing 2athing 20thing 21   Bad code results from encodeURIComponent        thing thing 20thing

User · Answer

Use this  unescape str     I m not a great JS programmer  tried all  and this worked awesome

User · Answer

x000D   x000D  var uri    my test asp name st  le amp car saab   x000D  console log encodeURI uri    x000D   x000D   x000D

[javascript] JavaScript URL Decode function

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