When are you supposed to use escape instead of encodeURI encodeURIComponent

Question

When encoding a query string to be sent to a web server - when do you use escape   and when do you use encodeURI   or encodeURIComponent     Use escape   escape      amp        OR  use encodeURI     encodeURIComponent    encodeURI  http   www google com var1 value1 amp var2 value2     encodeURIComponent  var1 value1 amp var2 value2

User · Answer

The difference between encodeURI   and encodeURIComponent   are exactly 11 characters encoded by encodeURIComponent but not by encodeURI     I generated this table easily with console table in Google Chrome with this code    x000D   x000D  var arr       x000D  for var i 0 i lt 256 i      x000D    var char String fromCharCode i   x000D    if encodeURI char    encodeURIComponent char     x000D      arr push   x000D        character char  x000D        encodeURI encodeURI char   x000D        encodeURIComponent encodeURIComponent char  x000D          x000D      x000D    x000D  console table arr   x000D   x000D   x000D

User · Answer

encodeURI   - the escape   function is for javascript escaping  not HTTP

User · Answer

encodeURIComponent doesn t encode -          causing problem in posting data to php in xml string   For example   lt xml gt  lt text x  100  y  150  value  It s a value with single quote    gt   lt  xml gt   General escape with encodeURI  3Cxml 3E 3Ctext 20x  22100 22 20y  22150 22 20value  22It s 20a 20value 20with 20single 20quote 22 20  3E 20 3C xml 3E  You can see  single quote is not encoded  To resolve issue I created two functions to solve issue in my project  for Encoding URL   function encodeData s String  String      return encodeURIComponent s  replace   - g    2D   replace     g    5F   replace     g    2E   replace     g    21   replace     g    7E   replace     g    2A   replace     g    27   replace     g    28   replace     g    29        For Decoding URL   function decodeData s String  String      try          return decodeURIComponent s replace    2D g   -   replace    5F g       replace    2E g       replace    21 g       replace    7E g       replace    2A g       replace    27 g       replace    28 g       replace    29 g              catch  e Error              return

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I ve found that experimenting with the various methods is a good sanity check even after having a good handle of what their various uses and capabilities are   Towards that end I have found this website extremely useful to confirm my suspicions that I am doing something appropriately  It has also proven useful for decoding an encodeURIComponent ed string which can be rather challenging to interpret  A great bookmark to have   http   www the-art-of-web com javascript escape

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Modern rewrite of  johann-echavarria s answer    x000D   x000D  console log  x000D      Array 256  x000D           fill   x000D           map  ignore  i    gt  String fromCharCode i   x000D           filter  x000D               char    gt  x000D                  encodeURI char      encodeURIComponent char  x000D                          x000D                            character  char  x000D                            encodeURI  encodeURI char   x000D                            encodeURIComponent  encodeURIComponent char  x000D                          x000D                        false x000D            x000D    x000D   x000D   x000D    Or if you can use a table  replace console log with console table  for the prettier output

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Inspired by Johann s table  I ve decided to extend the table  I wanted to see which ASCII characters get encoded      x000D   x000D  var ascii            amp       -  0123456789   lt   gt   ABCDEFGHIJKLMNOPQRSTUVWXYZ       abcdefghijklmnopqrstuvwxyz       x000D   x000D  var encoded       x000D   x000D  ascii split     forEach function  char    x000D      var obj     char    x000D      if  char    encodeURI char   x000D          obj encodeURI   encodeURI char   x000D      if  char    encodeURIComponent char   x000D          obj encodeURIComponent   encodeURIComponent char   x000D      if  obj encodeURI    obj encodeURIComponent  x000D          encoded push obj   x000D      x000D   x000D  console table encoded   x000D   x000D   x000D    Table shows only the encoded characters  Empty cells mean that the original and the encoded characters are the same     Just to be extra  I m adding another table for urlencode   vs rawurlencode    The only difference seems to be the encoding of space character      lt script gt   lt  php  ascii   str split          amp       -  0123456789   lt   gt   ABCDEFGHIJKLMNOPQRSTUVWXYZ       abcdefghijklmnopqrstuvwxyz       1    encoded       foreach   ascii as  char         obj     char    gt   char       if   char    urlencode  char            obj  urlencode     urlencode  char       if   char    rawurlencode  char            obj  rawurlencode     rawurlencode  char       if  isset  obj  rawurlencode       isset  obj  rawurlencode              encoded      obj    echo  var encoded       json encode  encoded           gt  console table encoded    lt  script gt

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Also remember that they all encode different sets of characters  and select the one you need appropriately   encodeURI   encodes fewer characters than encodeURIComponent    which encodes fewer  and also different  to dannyp s point  characters than escape

User · Answer

I have this function     var escapeURIparam   function url        if  encodeURIComponent  url   encodeURIComponent url       else if  encodeURI  url   encodeURI url       else url   escape url       url   url replace     g    2B       Force the replacement of         return url

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I recommend not to use one of those methods as is  Write your own function which does the right thing   MDN has given a good example on url encoding shown below   var fileName    my file 2  txt   var header    Content-Disposition  attachment  filename  UTF-8      encodeRFC5987ValueChars fileName    console log header       logs  Content-Disposition  attachment  filename  UTF-8  my 20file 282 29 txt    function encodeRFC5987ValueChars  str        return encodeURIComponent str              Note that although RFC3986 reserves      RFC5987 does not             so we do not need to escape it         replace        g  escape      i e    27  28  29         replace     g    2A                   The following are not required for percent-encoding per RFC5987                   so we can allow for a little better readability over the wire                  replace      7C 60 5E  g  unescape       https   developer mozilla org en-US docs Web JavaScript Reference Global Objects encodeURIComponent

User · Answer

The accepted answer is good  To extend on the last part      Note that encodeURIComponent does not escape the   character  A common   bug is to use it to create html attributes such as href  MyUrl   which   could suffer an injection bug  If you are constructing html from   strings  either use   instead of   for attribute quotes  or add an   extra layer of encoding    can be encoded as  27     If you want to be on the safe side  percent encoding unreserved characters should be encoded as well    You can use this method to escape them  source Mozilla   function fixedEncodeURIComponent str      return encodeURIComponent str  replace          g  function c        return       c charCodeAt 0  toString 16               fixedEncodeURIComponent      -- gt    27

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escape   Don t use it  escape   is defined in section B 2 1 2 escape and the introduction text of Annex B says       All of the language features and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification          Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code      Behaviour  https   developer mozilla org en-US docs Web JavaScript Reference Global Objects escape Special characters are encoded with the exception of      -   The hexadecimal form for characters  whose code unit value is 0xFF or less  is a two-digit escape sequence   xx  For characters with a greater code unit  the four-digit format  uxxxx is used  This is not allowed within a query string  as defined in RFC3986   query            pchar    quot   quot     quot   quot    pchar           unreserved   pct-encoded   sub-delims    quot   quot     quot   quot  unreserved      ALPHA   DIGIT    quot - quot     quot   quot     quot   quot     quot   quot  pct-encoded      quot   quot  HEXDIG HEXDIG sub-delims       quot   quot     quot   quot     quot  amp  quot     quot   quot     quot   quot     quot   quot                   quot   quot     quot   quot     quot   quot     quot   quot     quot   quot   A percent sign is only allowed if it is directly followed by two hexdigits  percent followed by u is not allowed  encodeURI   Use encodeURI when you want a working URL  Make this call  encodeURI  quot http   www example org a file with spaces html quot    to get  http   www example org a 20file 20with 20spaces html  Don t call encodeURIComponent since it would destroy the URL and return http 3A 2F 2Fwww example org 2Fa 20file 20with 20spaces html  Note that encodeURI  like encodeURIComponent  does not escape the   character  encodeURIComponent   Use encodeURIComponent when you want to encode the value of a URL parameter  var p1   encodeURIComponent  quot http   example org  a 12 amp b 55 quot    Then you may create the URL you need  var url    quot http   example net  param1  quot    p1    quot  amp param2 99 quot    And you will get this complete URL  http   example net  param1 http 3A 2F 2Fexample org 2F Ffa 3D12 26b 3D55 amp param2 99 Note that encodeURIComponent does not escape the   character  A common bug is to use it to create html attributes such as href  MyUrl   which could suffer an injection bug  If you are constructing html from strings  either use  quot  instead of   for attribute quotes  or add an extra layer of encoding    can be encoded as  27   For more information on this type of encoding you can check  http   en wikipedia org wiki Percent-encoding

User · Answer

Also remember that they all encode different sets of characters  and select the one you need appropriately   encodeURI   encodes fewer characters than encodeURIComponent    which encodes fewer  and also different  to dannyp s point  characters than escape

User · Answer

The accepted answer is good  To extend on the last part      Note that encodeURIComponent does not escape the   character  A common   bug is to use it to create html attributes such as href  MyUrl   which   could suffer an injection bug  If you are constructing html from   strings  either use   instead of   for attribute quotes  or add an   extra layer of encoding    can be encoded as  27     If you want to be on the safe side  percent encoding unreserved characters should be encoded as well    You can use this method to escape them  source Mozilla   function fixedEncodeURIComponent str      return encodeURIComponent str  replace          g  function c        return       c charCodeAt 0  toString 16               fixedEncodeURIComponent      -- gt    27

User · Answer

Just try encodeURI   and encodeURIComponent   yourself     x000D   x000D  console log encodeURIComponent        amp       x000D   x000D   x000D   Input        amp     Output   40 23 24 25 5E 26    So  wait  what happened to     Why wasn t this converted   It could definitely cause problems if you tried to do linux command  quot  string quot    TLDR  You actually want fixedEncodeURIComponent   and fixedEncodeURI     Long-story    When to use encodeURI     Never   encodeURI   fails to adhere to RFC3986 with regard to bracket-encoding   Use fixedEncodeURI    as defined and further explained at the MDN encodeURI   Documentation     function fixedEncodeURI str    return encodeURI str  replace   5B g       replace   5D g           When to use encodeURIComponent     Never   encodeURIComponent   fails to adhere to RFC3986 with regard to encoding          Use fixedEncodeURIComponent    as defined and further explained at the MDN encodeURIComponent   Documentation     function fixedEncodeURIComponent str    return encodeURIComponent str  replace          g  function c    return       c charCodeAt 0  toString 16          Then you can use fixedEncodeURI   to encode a single URL piece  whereas fixedEncodeURIComponent   will encode URL pieces and connectors  or  simply  fixedEncodeURI   will not encode           amp   as  amp  and   are common URL operators   but fixedEncodeURIComponent   will

User · Answer

I ve found that experimenting with the various methods is a good sanity check even after having a good handle of what their various uses and capabilities are   Towards that end I have found this website extremely useful to confirm my suspicions that I am doing something appropriately  It has also proven useful for decoding an encodeURIComponent ed string which can be rather challenging to interpret  A great bookmark to have   http   www the-art-of-web com javascript escape

User · Answer

Modern rewrite of  johann-echavarria s answer    x000D   x000D  console log  x000D      Array 256  x000D           fill   x000D           map  ignore  i    gt  String fromCharCode i   x000D           filter  x000D               char    gt  x000D                  encodeURI char      encodeURIComponent char  x000D                          x000D                            character  char  x000D                            encodeURI  encodeURI char   x000D                            encodeURIComponent  encodeURIComponent char  x000D                          x000D                        false x000D            x000D    x000D   x000D   x000D    Or if you can use a table  replace console log with console table  for the prettier output

User · Answer

encodeURIComponent doesn t encode -          causing problem in posting data to php in xml string   For example   lt xml gt  lt text x  100  y  150  value  It s a value with single quote    gt   lt  xml gt   General escape with encodeURI  3Cxml 3E 3Ctext 20x  22100 22 20y  22150 22 20value  22It s 20a 20value 20with 20single 20quote 22 20  3E 20 3C xml 3E  You can see  single quote is not encoded  To resolve issue I created two functions to solve issue in my project  for Encoding URL   function encodeData s String  String      return encodeURIComponent s  replace   - g    2D   replace     g    5F   replace     g    2E   replace     g    21   replace     g    7E   replace     g    2A   replace     g    27   replace     g    28   replace     g    29        For Decoding URL   function decodeData s String  String      try          return decodeURIComponent s replace    2D g   -   replace    5F g       replace    2E g       replace    21 g       replace    7E g       replace    2A g       replace    27 g       replace    28 g       replace    29 g              catch  e Error              return

User · Answer

I found this article enlightening   Javascript Madness  Query String Parsing  I found it when I was trying to undersand why decodeURIComponent was not decoding     correctly  Here is an extract   String                           A   B  Expected Query String Encoding   A  2B B  escape  A   B                    A 20  20B      Wrong  encodeURI  A   B                 A 20  20B      Wrong  encodeURIComponent  A   B        A 20 2B 20B    Acceptable  but strange  Encoded String                   A  2B B  Expected Decoding                A   B  unescape  A  2B B                A   B        Wrong  decodeURI  A  2B B               A   B        Wrong  decodeURIComponent  A  2B B      A   B        Wrong

User · Answer

Small comparison table Java vs  JavaScript vs  PHP   1  Java URLEncoder encode  using UTF8 charset  2  JavaScript encodeURIComponent 3  JavaScript escape 4  PHP urlencode 5  PHP rawurlencode  char   JAVA JavaScript --PHP---               20   20        20          21        21   21   21                         2A   2A          27        27   27   27           28        28   28   28          29        29   29   29          3B   3B   3B   3B   3B          3A   3A   3A   3A   3A          40   40        40   40   amp        26   26   26   26   26          3D   3D   3D   3D   3D          2B   2B        2B   2B          24   24   24   24   24          2C   2C   2C   2C   2C          2F   2F        2F   2F          3F   3F   3F   3F   3F          23   23   23   23   23          5B   5B   5B   5B   5B          5D   5D   5D   5D   5D ----------------------------------------          7E        7E   7E     -      -    -    -    -    -                                        25   25   25   25   25          5C   5C   5C   5C   5C ---------------------------------------- char  -JAVA-  --JavaScript--  -----PHP------         C3 A4   C3 A4   E4      C3 A4   C3 A4        D1 84   D1 84   u0444   D1 84   D1 84

User · Answer

escape   Don t use it  escape   is defined in section B 2 1 2 escape and the introduction text of Annex B says       All of the language features and behaviours specified in this annex have one or more undesirable characteristics and in the absence of legacy usage would be removed from this specification          Programmers should not use or assume the existence of these features and behaviours when writing new ECMAScript code      Behaviour  https   developer mozilla org en-US docs Web JavaScript Reference Global Objects escape Special characters are encoded with the exception of      -   The hexadecimal form for characters  whose code unit value is 0xFF or less  is a two-digit escape sequence   xx  For characters with a greater code unit  the four-digit format  uxxxx is used  This is not allowed within a query string  as defined in RFC3986   query            pchar    quot   quot     quot   quot    pchar           unreserved   pct-encoded   sub-delims    quot   quot     quot   quot  unreserved      ALPHA   DIGIT    quot - quot     quot   quot     quot   quot     quot   quot  pct-encoded      quot   quot  HEXDIG HEXDIG sub-delims       quot   quot     quot   quot     quot  amp  quot     quot   quot     quot   quot     quot   quot                   quot   quot     quot   quot     quot   quot     quot   quot     quot   quot   A percent sign is only allowed if it is directly followed by two hexdigits  percent followed by u is not allowed  encodeURI   Use encodeURI when you want a working URL  Make this call  encodeURI  quot http   www example org a file with spaces html quot    to get  http   www example org a 20file 20with 20spaces html  Don t call encodeURIComponent since it would destroy the URL and return http 3A 2F 2Fwww example org 2Fa 20file 20with 20spaces html  Note that encodeURI  like encodeURIComponent  does not escape the   character  encodeURIComponent   Use encodeURIComponent when you want to encode the value of a URL parameter  var p1   encodeURIComponent  quot http   example org  a 12 amp b 55 quot    Then you may create the URL you need  var url    quot http   example net  param1  quot    p1    quot  amp param2 99 quot    And you will get this complete URL  http   example net  param1 http 3A 2F 2Fexample org 2F Ffa 3D12 26b 3D55 amp param2 99 Note that encodeURIComponent does not escape the   character  A common bug is to use it to create html attributes such as href  MyUrl   which could suffer an injection bug  If you are constructing html from strings  either use  quot  instead of   for attribute quotes  or add an extra layer of encoding    can be encoded as  27   For more information on this type of encoding you can check  http   en wikipedia org wiki Percent-encoding

User · Answer

encodeURI   - the escape   function is for javascript escaping  not HTTP

User · Answer

I found this article enlightening   Javascript Madness  Query String Parsing  I found it when I was trying to undersand why decodeURIComponent was not decoding     correctly  Here is an extract   String                           A   B  Expected Query String Encoding   A  2B B  escape  A   B                    A 20  20B      Wrong  encodeURI  A   B                 A 20  20B      Wrong  encodeURIComponent  A   B        A 20 2B 20B    Acceptable  but strange  Encoded String                   A  2B B  Expected Decoding                A   B  unescape  A  2B B                A   B        Wrong  decodeURI  A  2B B               A   B        Wrong  decodeURIComponent  A  2B B      A   B        Wrong

User · Answer

For the purpose of encoding javascript has given three inbuilt functions -   escape   - does not encode      This method is deprecated after the ECMA 3 so it should be avoided  encodeURI   - does not encode       amp             It assumes that the URI is a complete URI  so does not encode reserved characters that have special meaning in the URI  This method is used when the intent is to convert the complete URL instead of some special segment of URL  Example - encodeURI  http   stackoverflow com    will give - http   stackoverflow com encodeURIComponent   - does not encode  -                 This function encodes a Uniform Resource Identifier  URI  component by replacing each instance of certain characters by one  two  three  or four escape sequences representing the UTF-8 encoding of the character  This method should be used to convert a component of URL  For instance some user input needs to be appended Example - encodeURIComponent  http   stackoverflow com    will give - http 3A 2F 2Fstackoverflow com   All this encoding is performed in UTF 8 i e the characters will be converted in UTF-8 format    encodeURIComponent differ from encodeURI in that it encode reserved characters and Number sign   of encodeURI

User · Answer

I have this function     var escapeURIparam   function url        if  encodeURIComponent  url   encodeURIComponent url       else if  encodeURI  url   encodeURI url       else url   escape url       url   url replace     g    2B       Force the replacement of         return url

User · Answer

The difference between encodeURI   and encodeURIComponent   are exactly 11 characters encoded by encodeURIComponent but not by encodeURI     I generated this table easily with console table in Google Chrome with this code    x000D   x000D  var arr       x000D  for var i 0 i lt 256 i      x000D    var char String fromCharCode i   x000D    if encodeURI char    encodeURIComponent char     x000D      arr push   x000D        character char  x000D        encodeURI encodeURI char   x000D        encodeURIComponent encodeURIComponent char  x000D          x000D      x000D    x000D  console table arr   x000D   x000D   x000D

User · Answer

I recommend not to use one of those methods as is  Write your own function which does the right thing   MDN has given a good example on url encoding shown below   var fileName    my file 2  txt   var header    Content-Disposition  attachment  filename  UTF-8      encodeRFC5987ValueChars fileName    console log header       logs  Content-Disposition  attachment  filename  UTF-8  my 20file 282 29 txt    function encodeRFC5987ValueChars  str        return encodeURIComponent str              Note that although RFC3986 reserves      RFC5987 does not             so we do not need to escape it         replace        g  escape      i e    27  28  29         replace     g    2A                   The following are not required for percent-encoding per RFC5987                   so we can allow for a little better readability over the wire                  replace      7C 60 5E  g  unescape       https   developer mozilla org en-US docs Web JavaScript Reference Global Objects encodeURIComponent

User · Answer

encodeURI   - the escape   function is for javascript escaping  not HTTP

User · Answer

Just try encodeURI   and encodeURIComponent   yourself     x000D   x000D  console log encodeURIComponent        amp       x000D   x000D   x000D   Input        amp     Output   40 23 24 25 5E 26    So  wait  what happened to     Why wasn t this converted   It could definitely cause problems if you tried to do linux command  quot  string quot    TLDR  You actually want fixedEncodeURIComponent   and fixedEncodeURI     Long-story    When to use encodeURI     Never   encodeURI   fails to adhere to RFC3986 with regard to bracket-encoding   Use fixedEncodeURI    as defined and further explained at the MDN encodeURI   Documentation     function fixedEncodeURI str    return encodeURI str  replace   5B g       replace   5D g           When to use encodeURIComponent     Never   encodeURIComponent   fails to adhere to RFC3986 with regard to encoding          Use fixedEncodeURIComponent    as defined and further explained at the MDN encodeURIComponent   Documentation     function fixedEncodeURIComponent str    return encodeURIComponent str  replace          g  function c    return       c charCodeAt 0  toString 16          Then you can use fixedEncodeURI   to encode a single URL piece  whereas fixedEncodeURIComponent   will encode URL pieces and connectors  or  simply  fixedEncodeURI   will not encode           amp   as  amp  and   are common URL operators   but fixedEncodeURIComponent   will

User · Answer

Small comparison table Java vs  JavaScript vs  PHP   1  Java URLEncoder encode  using UTF8 charset  2  JavaScript encodeURIComponent 3  JavaScript escape 4  PHP urlencode 5  PHP rawurlencode  char   JAVA JavaScript --PHP---               20   20        20          21        21   21   21                         2A   2A          27        27   27   27           28        28   28   28          29        29   29   29          3B   3B   3B   3B   3B          3A   3A   3A   3A   3A          40   40        40   40   amp        26   26   26   26   26          3D   3D   3D   3D   3D          2B   2B        2B   2B          24   24   24   24   24          2C   2C   2C   2C   2C          2F   2F        2F   2F          3F   3F   3F   3F   3F          23   23   23   23   23          5B   5B   5B   5B   5B          5D   5D   5D   5D   5D ----------------------------------------          7E        7E   7E     -      -    -    -    -    -                                        25   25   25   25   25          5C   5C   5C   5C   5C ---------------------------------------- char  -JAVA-  --JavaScript--  -----PHP------         C3 A4   C3 A4   E4      C3 A4   C3 A4        D1 84   D1 84   u0444   D1 84   D1 84

User · Answer

Also remember that they all encode different sets of characters  and select the one you need appropriately   encodeURI   encodes fewer characters than encodeURIComponent    which encodes fewer  and also different  to dannyp s point  characters than escape

User · Answer

For the purpose of encoding javascript has given three inbuilt functions -   escape   - does not encode      This method is deprecated after the ECMA 3 so it should be avoided  encodeURI   - does not encode       amp             It assumes that the URI is a complete URI  so does not encode reserved characters that have special meaning in the URI  This method is used when the intent is to convert the complete URL instead of some special segment of URL  Example - encodeURI  http   stackoverflow com    will give - http   stackoverflow com encodeURIComponent   - does not encode  -                 This function encodes a Uniform Resource Identifier  URI  component by replacing each instance of certain characters by one  two  three  or four escape sequences representing the UTF-8 encoding of the character  This method should be used to convert a component of URL  For instance some user input needs to be appended Example - encodeURIComponent  http   stackoverflow com    will give - http 3A 2F 2Fstackoverflow com   All this encoding is performed in UTF 8 i e the characters will be converted in UTF-8 format    encodeURIComponent differ from encodeURI in that it encode reserved characters and Number sign   of encodeURI

User · Answer

Also remember that they all encode different sets of characters  and select the one you need appropriately   encodeURI   encodes fewer characters than encodeURIComponent    which encodes fewer  and also different  to dannyp s point  characters than escape

User · Answer

encodeURI   - the escape   function is for javascript escaping  not HTTP

User · Answer

Inspired by Johann s table  I ve decided to extend the table  I wanted to see which ASCII characters get encoded      x000D   x000D  var ascii            amp       -  0123456789   lt   gt   ABCDEFGHIJKLMNOPQRSTUVWXYZ       abcdefghijklmnopqrstuvwxyz       x000D   x000D  var encoded       x000D   x000D  ascii split     forEach function  char    x000D      var obj     char    x000D      if  char    encodeURI char   x000D          obj encodeURI   encodeURI char   x000D      if  char    encodeURIComponent char   x000D          obj encodeURIComponent   encodeURIComponent char   x000D      if  obj encodeURI    obj encodeURIComponent  x000D          encoded push obj   x000D      x000D   x000D  console table encoded   x000D   x000D   x000D    Table shows only the encoded characters  Empty cells mean that the original and the encoded characters are the same     Just to be extra  I m adding another table for urlencode   vs rawurlencode    The only difference seems to be the encoding of space character      lt script gt   lt  php  ascii   str split          amp       -  0123456789   lt   gt   ABCDEFGHIJKLMNOPQRSTUVWXYZ       abcdefghijklmnopqrstuvwxyz       1    encoded       foreach   ascii as  char         obj     char    gt   char       if   char    urlencode  char            obj  urlencode     urlencode  char       if   char    rawurlencode  char            obj  rawurlencode     rawurlencode  char       if  isset  obj  rawurlencode       isset  obj  rawurlencode              encoded      obj    echo  var encoded       json encode  encoded           gt  console table encoded    lt  script gt

[javascript] When are you supposed to use escape instead of encodeURI / encodeURIComponent?

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