jQuery Set Cursor Position in Text Area

Question

How do you set the cursor position in a text field using jQuery   I ve got a text field with content  and I want the users cursor to be positioned at a certain offset when they focus on the field   The code should look kind of like this       input   focus function         this  setCursorPosition 4         What would the implementation of that setCursorPosition function look like   If you had a text field with the content abcdefg  this call would result in the cursor being positioned as follows  abcd     efg   Java has a similar function  setCaretPosition   Does a similar method exist for javascript   Update  I modified CMS s code to work with jQuery as follows   new function          fn setCursorPosition   function pos        if  this setSelectionRange          this setSelectionRange pos  pos         else if  this createTextRange          var range   this createTextRange          range collapse true         if pos  lt  0            pos     this  val   length   pos                range moveEnd  character   pos         range moveStart  character   pos         range select                jQuery

User · Answer

In IE to move cursor on some position this code is enough   var range   elt createTextRange    range move  character   pos   range select

User · Answer

Just remember to return false right after the function call if you re using the arrow keys since Chrome fricks the frack up otherwise         document getElementById  moveto3   setSelectionRange 3 3       return false

User · Answer

I found a solution that works for me     fn setCursorPosition   function position       if this length    0  return this      return   this  setSelection position  position        fn setSelection   function selectionStart  selectionEnd        if this length    0  return this      var input   this 0        if  input createTextRange            var range   input createTextRange            range collapse true           range moveEnd  character   selectionEnd           range moveStart  character   selectionStart           range select          else if  input setSelectionRange            input focus            input setSelectionRange selectionStart  selectionEnd              return this       fn focusEnd   function        this setCursorPosition this val   length               return this      Now you can move the focus to the end of any element by calling     element  focusEnd      Or you specify the position     element  setCursorPosition 3      This will focus on the third character

User · Answer

I do realize that this is a very old post  but I thought that I should offer perhaps a simpler solution to update it using only jQuery   function getTextCursorPosition ele           return ele prop  selectionStart       function setTextCursorPosition ele pos        ele prop  selectionStart   pos   1       ele prop  selectionEnd   pos   1      function insertNewLine text cursorPos        var firstSlice   text slice 0 cursorPos       var secondSlice   text slice cursorPos        var new text    firstSlice   n  secondSlice  join           return new text      Usage for using ctrl-enter to add a new line  like in Facebook       textarea   on  keypress  function e       if  e keyCode    13  amp  amp   e ctrlKey            e preventDefault              do something special here with just pressing Enter      else if  e ctrlKey             If the ctrl key was pressed with the Enter key            then enter a new line break into the text         var cursorPos   getTextCursorPosition   this                               this  val insertNewLine   this  val    cursorPos            setTextCursorPosition   this   cursorPos               I am open to critique  Thank you   UPDATE  This solution does not allow normal copy and paste functionality to work  i e  ctrl-c  ctrl-v   so I will have to edit this in the future to make sure that part works again  If you have an idea how to do that  please comment here  and I will be happy to test it out  Thanks

User · Answer

I have two functions   function setSelectionRange input  selectionStart  selectionEnd      if  input setSelectionRange        input focus        input setSelectionRange selectionStart  selectionEnd         else if  input createTextRange        var range   input createTextRange        range collapse true       range moveEnd  character   selectionEnd       range moveStart  character   selectionStart       range select           function setCaretToPos  input  pos      setSelectionRange input  pos  pos       Then you can use setCaretToPos like this   setCaretToPos document getElementById  YOURINPUT    4     Live example with both a textarea and an input  showing use from jQuery    x000D   x000D  function setSelectionRange input  selectionStart  selectionEnd    x000D    if  input setSelectionRange    x000D      input focus    x000D      input setSelectionRange selectionStart  selectionEnd   x000D      else if  input createTextRange    x000D      var range   input createTextRange    x000D      range collapse true   x000D      range moveEnd  character   selectionEnd   x000D      range moveStart  character   selectionStart   x000D      range select    x000D      x000D    x000D   x000D  function setCaretToPos input  pos    x000D    setSelectionRange input  pos  pos   x000D    x000D   x000D      set-textarea   click function     x000D    setCaretToPos     the-textarea   0   10  x000D      x000D      set-input   click function     x000D    setCaretToPos     the-input   0   10   x000D      x000D   lt textarea id  the-textarea  cols  40  rows  4  gt Lorem ipsum dolor sit amet  consectetur adipiscing elit  sed do eiusmod tempor incididunt ut labore et dolore magna aliqua  Ut enim ad minim veniam  quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat  Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur  Excepteur sint occaecat cupidatat non proident  sunt in culpa qui officia deserunt mollit anim id est laborum  lt  textarea gt  x000D   lt br gt  lt input type  button  id  set-textarea  value  Set in textarea  gt  x000D   lt br gt  lt input id  the-input  type  text  size  40  value  Lorem ipsum dolor sit amet  consectetur adipiscing elit  gt  x000D   lt br gt  lt input type  button  id  set-input  value  Set in input  gt  x000D   lt script src  https   ajax googleapis com ajax libs jquery 1 11 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D    As of 2016  tested and working on Chrome  Firefox  IE11  even IE8  see that last here  Stack Snippets don t support IE8

User · Answer

Here s a jQuery solution     fn selectRange   function start  end        if end     undefined            end   start            return this each function             if  selectionStart  in this                this selectionStart   start              this selectionEnd   end            else if this setSelectionRange                this setSelectionRange start  end             else if this createTextRange                var range   this createTextRange                range collapse true               range moveEnd  character   end               range moveStart  character   start               range select                           With this  you can do      elem   selectRange 3 5      select a range of text     elem   selectRange 3      set cursor position    JsFiddle JsBin

User · Answer

I m using this  http   plugins jquery com project jCaret

User · Answer

This works for me in chrome      input   focus function         setTimeout  function             document getElementById  input   selectionStart   4          document getElementById  input   selectionEnd   4         1         Apparently you need a delay of a microsecond or more  because usually a user focusses on the text field by clicking at some position in the text field  or by hitting tab  which you want to override  so you have to wait till the position is set by the user click and then change it

User · Answer

Just remember to return false right after the function call if you re using the arrow keys since Chrome fricks the frack up otherwise         document getElementById  moveto3   setSelectionRange 3 3       return false

User · Answer

I do realize that this is a very old post  but I thought that I should offer perhaps a simpler solution to update it using only jQuery   function getTextCursorPosition ele           return ele prop  selectionStart       function setTextCursorPosition ele pos        ele prop  selectionStart   pos   1       ele prop  selectionEnd   pos   1      function insertNewLine text cursorPos        var firstSlice   text slice 0 cursorPos       var secondSlice   text slice cursorPos        var new text    firstSlice   n  secondSlice  join           return new text      Usage for using ctrl-enter to add a new line  like in Facebook       textarea   on  keypress  function e       if  e keyCode    13  amp  amp   e ctrlKey            e preventDefault              do something special here with just pressing Enter      else if  e ctrlKey             If the ctrl key was pressed with the Enter key            then enter a new line break into the text         var cursorPos   getTextCursorPosition   this                               this  val insertNewLine   this  val    cursorPos            setTextCursorPosition   this   cursorPos               I am open to critique  Thank you   UPDATE  This solution does not allow normal copy and paste functionality to work  i e  ctrl-c  ctrl-v   so I will have to edit this in the future to make sure that part works again  If you have an idea how to do that  please comment here  and I will be happy to test it out  Thanks

User · Answer

This works for me in chrome      input   focus function         setTimeout  function             document getElementById  input   selectionStart   4          document getElementById  input   selectionEnd   4         1         Apparently you need a delay of a microsecond or more  because usually a user focusses on the text field by clicking at some position in the text field  or by hitting tab  which you want to override  so you have to wait till the position is set by the user click and then change it

User · Answer

You can directly change the prototype if setSelectionRange does not exist    function         if   HTMLInputElement prototype setSelectionRange            HTMLInputElement prototype setSelectionRange   function start  end                if  this createTextRange                    var range   this createTextRange                    this collapse true                   this moveEnd  character   end                   this moveStart  character   start                   this select                                        document getElementById  input tag   setSelectionRange 6  7     jsFiddle link

User · Answer

I had to get this working for contenteditable elements and jQuery and tought someone might want it ready to use     fn getCaret   function n        var d     this  0       var s  r      r   document createRange        r selectNodeContents d       s   window getSelection        console log  position    s anchorOffset   of   s anchorNode textContent length       return s anchorOffset        fn setCaret   function n        var d     this  0       d focus        var r   document createRange        var s   window getSelection        r setStart d childNodes 0   n       r collapse true       s removeAllRanges        s addRange r       console log  position    s anchorOffset   of   s anchorNode textContent length       return this       Usage   selector  getCaret   returns the number offset and   selector  setCaret num  establishes the offeset and sets focus on element   Also a small tip  if you run   selector  setCaret num  from console it will return the console log but you won t visualize the focus since it is established at the console window   Bests  D

User · Answer

Here s a jQuery solution     fn selectRange   function start  end        if end     undefined            end   start            return this each function             if  selectionStart  in this                this selectionStart   start              this selectionEnd   end            else if this setSelectionRange                this setSelectionRange start  end             else if this createTextRange                var range   this createTextRange                range collapse true               range moveEnd  character   end               range moveStart  character   start               range select                           With this  you can do      elem   selectRange 3 5      select a range of text     elem   selectRange 3      set cursor position    JsFiddle JsBin

User · Answer

I have two functions   function setSelectionRange input  selectionStart  selectionEnd      if  input setSelectionRange        input focus        input setSelectionRange selectionStart  selectionEnd         else if  input createTextRange        var range   input createTextRange        range collapse true       range moveEnd  character   selectionEnd       range moveStart  character   selectionStart       range select           function setCaretToPos  input  pos      setSelectionRange input  pos  pos       Then you can use setCaretToPos like this   setCaretToPos document getElementById  YOURINPUT    4     Live example with both a textarea and an input  showing use from jQuery    x000D   x000D  function setSelectionRange input  selectionStart  selectionEnd    x000D    if  input setSelectionRange    x000D      input focus    x000D      input setSelectionRange selectionStart  selectionEnd   x000D      else if  input createTextRange    x000D      var range   input createTextRange    x000D      range collapse true   x000D      range moveEnd  character   selectionEnd   x000D      range moveStart  character   selectionStart   x000D      range select    x000D      x000D    x000D   x000D  function setCaretToPos input  pos    x000D    setSelectionRange input  pos  pos   x000D    x000D   x000D      set-textarea   click function     x000D    setCaretToPos     the-textarea   0   10  x000D      x000D      set-input   click function     x000D    setCaretToPos     the-input   0   10   x000D      x000D   lt textarea id  the-textarea  cols  40  rows  4  gt Lorem ipsum dolor sit amet  consectetur adipiscing elit  sed do eiusmod tempor incididunt ut labore et dolore magna aliqua  Ut enim ad minim veniam  quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat  Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur  Excepteur sint occaecat cupidatat non proident  sunt in culpa qui officia deserunt mollit anim id est laborum  lt  textarea gt  x000D   lt br gt  lt input type  button  id  set-textarea  value  Set in textarea  gt  x000D   lt br gt  lt input id  the-input  type  text  size  40  value  Lorem ipsum dolor sit amet  consectetur adipiscing elit  gt  x000D   lt br gt  lt input type  button  id  set-input  value  Set in input  gt  x000D   lt script src  https   ajax googleapis com ajax libs jquery 1 11 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D    As of 2016  tested and working on Chrome  Firefox  IE11  even IE8  see that last here  Stack Snippets don t support IE8

User · Answer

The solutions here are right except for the jQuery extension code   The extension function should iterate over each selected element and return this to support chaining  Here is the a correct version     fn setCursorPosition   function pos      this each function index  elem        if  elem setSelectionRange          elem setSelectionRange pos  pos         else if  elem createTextRange          var range   elem createTextRange          range collapse true         range moveEnd  character   pos         range moveStart  character   pos         range select                  return this

User · Answer

I had to get this working for contenteditable elements and jQuery and tought someone might want it ready to use     fn getCaret   function n        var d     this  0       var s  r      r   document createRange        r selectNodeContents d       s   window getSelection        console log  position    s anchorOffset   of   s anchorNode textContent length       return s anchorOffset        fn setCaret   function n        var d     this  0       d focus        var r   document createRange        var s   window getSelection        r setStart d childNodes 0   n       r collapse true       s removeAllRanges        s addRange r       console log  position    s anchorOffset   of   s anchorNode textContent length       return this       Usage   selector  getCaret   returns the number offset and   selector  setCaret num  establishes the offeset and sets focus on element   Also a small tip  if you run   selector  setCaret num  from console it will return the console log but you won t visualize the focus since it is established at the console window   Bests  D

User · Answer

Based on this question  the answer will not work perfectly for ie and opera when there is new line in the textarea   The answer explain how to adjust the selectionStart  selectionEnd before calling setSelectionRange   I have try the adjustOffset from the other question with the solution proposed by  AVProgrammer and it work   function adjustOffset el  offset           From https   stackoverflow com a 8928945 611741        var val   el value  newOffset   offset      if  val indexOf   r n    gt  -1            var matches   val replace   r n g    n   slice 0  offset  match   n g           newOffset    matches   matches length   0            return newOffset       fn setCursorPosition   function position          From https   stackoverflow com a 7180862 611741        if this lengh    0  return this      return   this  setSelection position  position        fn setSelection   function selectionStart  selectionEnd           From https   stackoverflow com a 7180862 611741         modified to fit https   stackoverflow com a 8928945 611741        if this lengh    0  return this      input   this 0        if  input createTextRange            var range   input createTextRange            range collapse true           range moveEnd  character   selectionEnd           range moveStart  character   selectionStart           range select          else if  input setSelectionRange            input focus            selectionStart   adjustOffset input  selectionStart           selectionEnd   adjustOffset input  selectionEnd           input setSelectionRange selectionStart  selectionEnd              return this       fn focusEnd   function           From https   stackoverflow com a 7180862 611741        this setCursorPosition this val   length

User · Answer

Set the focus before you have inserted the text into the textarea thus       comments   focus        comments   val comments

User · Answer

This worked for me on Safari 5 on Mac OSX  jQuery 1 4      Selector   elementIx  selectionStart   desiredStartPos      Selector   elementIx  selectionEnd   desiredEndPos

User · Answer

The solutions here are right except for the jQuery extension code   The extension function should iterate over each selected element and return this to support chaining  Here is the a correct version     fn setCursorPosition   function pos      this each function index  elem        if  elem setSelectionRange          elem setSelectionRange pos  pos         else if  elem createTextRange          var range   elem createTextRange          range collapse true         range moveEnd  character   pos         range moveStart  character   pos         range select                  return this

User · Answer

Small modification to the code I found in bitbucket  Code is now able to select highlight with start end points if given 2 positions  Tested and works fine in FF Chrome IE9 Opera       field   caret 1  9     The code is listed below  only a few lines changed    function          fn caret   function pos        var target   this 0       if  arguments length    0      get       if  target selectionStart      DOM         var pos   target selectionStart          return pos  gt  0   pos   0                else if  target createTextRange      IE         target focus            var range   document selection createRange            if  range    null              return  0           var re   target createTextRange            var rc   re duplicate            re moveToBookmark range getBookmark             rc setEndPoint  EndToStart   re           return rc text length                else return 0               set     var pos start   pos      var pos end   pos       if  arguments length  gt  1            pos end   arguments 1              if  target setSelectionRange    DOM       target setSelectionRange pos start  pos end       else if  target createTextRange      IE       var range   target createTextRange          range collapse true         range moveEnd  character   pos end         range moveStart  character   pos start         range select                 jQuery

User · Answer

I have two functions   function setSelectionRange input  selectionStart  selectionEnd      if  input setSelectionRange        input focus        input setSelectionRange selectionStart  selectionEnd         else if  input createTextRange        var range   input createTextRange        range collapse true       range moveEnd  character   selectionEnd       range moveStart  character   selectionStart       range select           function setCaretToPos  input  pos      setSelectionRange input  pos  pos       Then you can use setCaretToPos like this   setCaretToPos document getElementById  YOURINPUT    4     Live example with both a textarea and an input  showing use from jQuery    x000D   x000D  function setSelectionRange input  selectionStart  selectionEnd    x000D    if  input setSelectionRange    x000D      input focus    x000D      input setSelectionRange selectionStart  selectionEnd   x000D      else if  input createTextRange    x000D      var range   input createTextRange    x000D      range collapse true   x000D      range moveEnd  character   selectionEnd   x000D      range moveStart  character   selectionStart   x000D      range select    x000D      x000D    x000D   x000D  function setCaretToPos input  pos    x000D    setSelectionRange input  pos  pos   x000D    x000D   x000D      set-textarea   click function     x000D    setCaretToPos     the-textarea   0   10  x000D      x000D      set-input   click function     x000D    setCaretToPos     the-input   0   10   x000D      x000D   lt textarea id  the-textarea  cols  40  rows  4  gt Lorem ipsum dolor sit amet  consectetur adipiscing elit  sed do eiusmod tempor incididunt ut labore et dolore magna aliqua  Ut enim ad minim veniam  quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat  Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur  Excepteur sint occaecat cupidatat non proident  sunt in culpa qui officia deserunt mollit anim id est laborum  lt  textarea gt  x000D   lt br gt  lt input type  button  id  set-textarea  value  Set in textarea  gt  x000D   lt br gt  lt input id  the-input  type  text  size  40  value  Lorem ipsum dolor sit amet  consectetur adipiscing elit  gt  x000D   lt br gt  lt input type  button  id  set-input  value  Set in input  gt  x000D   lt script src  https   ajax googleapis com ajax libs jquery 1 11 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D    As of 2016  tested and working on Chrome  Firefox  IE11  even IE8  see that last here  Stack Snippets don t support IE8

User · Answer

In IE to move cursor on some position this code is enough   var range   elt createTextRange    range move  character   pos   range select

User · Answer

I found a solution that works for me     fn setCursorPosition   function position       if this length    0  return this      return   this  setSelection position  position        fn setSelection   function selectionStart  selectionEnd        if this length    0  return this      var input   this 0        if  input createTextRange            var range   input createTextRange            range collapse true           range moveEnd  character   selectionEnd           range moveStart  character   selectionStart           range select          else if  input setSelectionRange            input focus            input setSelectionRange selectionStart  selectionEnd              return this       fn focusEnd   function        this setCursorPosition this val   length               return this      Now you can move the focus to the end of any element by calling     element  focusEnd      Or you specify the position     element  setCursorPosition 3      This will focus on the third character

User · Answer

Based on this question  the answer will not work perfectly for ie and opera when there is new line in the textarea   The answer explain how to adjust the selectionStart  selectionEnd before calling setSelectionRange   I have try the adjustOffset from the other question with the solution proposed by  AVProgrammer and it work   function adjustOffset el  offset           From https   stackoverflow com a 8928945 611741        var val   el value  newOffset   offset      if  val indexOf   r n    gt  -1            var matches   val replace   r n g    n   slice 0  offset  match   n g           newOffset    matches   matches length   0            return newOffset       fn setCursorPosition   function position          From https   stackoverflow com a 7180862 611741        if this lengh    0  return this      return   this  setSelection position  position        fn setSelection   function selectionStart  selectionEnd           From https   stackoverflow com a 7180862 611741         modified to fit https   stackoverflow com a 8928945 611741        if this lengh    0  return this      input   this 0        if  input createTextRange            var range   input createTextRange            range collapse true           range moveEnd  character   selectionEnd           range moveStart  character   selectionStart           range select          else if  input setSelectionRange            input focus            selectionStart   adjustOffset input  selectionStart           selectionEnd   adjustOffset input  selectionEnd           input setSelectionRange selectionStart  selectionEnd              return this       fn focusEnd   function           From https   stackoverflow com a 7180862 611741        this setCursorPosition this val   length

User · Answer

You can directly change the prototype if setSelectionRange does not exist    function         if   HTMLInputElement prototype setSelectionRange            HTMLInputElement prototype setSelectionRange   function start  end                if  this createTextRange                    var range   this createTextRange                    this collapse true                   this moveEnd  character   end                   this moveStart  character   start                   this select                                        document getElementById  input tag   setSelectionRange 6  7     jsFiddle link

User · Answer

I m using this  http   plugins jquery com project jCaret

User · Answer

I have two functions   function setSelectionRange input  selectionStart  selectionEnd      if  input setSelectionRange        input focus        input setSelectionRange selectionStart  selectionEnd         else if  input createTextRange        var range   input createTextRange        range collapse true       range moveEnd  character   selectionEnd       range moveStart  character   selectionStart       range select           function setCaretToPos  input  pos      setSelectionRange input  pos  pos       Then you can use setCaretToPos like this   setCaretToPos document getElementById  YOURINPUT    4     Live example with both a textarea and an input  showing use from jQuery    x000D   x000D  function setSelectionRange input  selectionStart  selectionEnd    x000D    if  input setSelectionRange    x000D      input focus    x000D      input setSelectionRange selectionStart  selectionEnd   x000D      else if  input createTextRange    x000D      var range   input createTextRange    x000D      range collapse true   x000D      range moveEnd  character   selectionEnd   x000D      range moveStart  character   selectionStart   x000D      range select    x000D      x000D    x000D   x000D  function setCaretToPos input  pos    x000D    setSelectionRange input  pos  pos   x000D    x000D   x000D      set-textarea   click function     x000D    setCaretToPos     the-textarea   0   10  x000D      x000D      set-input   click function     x000D    setCaretToPos     the-input   0   10   x000D      x000D   lt textarea id  the-textarea  cols  40  rows  4  gt Lorem ipsum dolor sit amet  consectetur adipiscing elit  sed do eiusmod tempor incididunt ut labore et dolore magna aliqua  Ut enim ad minim veniam  quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat  Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur  Excepteur sint occaecat cupidatat non proident  sunt in culpa qui officia deserunt mollit anim id est laborum  lt  textarea gt  x000D   lt br gt  lt input type  button  id  set-textarea  value  Set in textarea  gt  x000D   lt br gt  lt input id  the-input  type  text  size  40  value  Lorem ipsum dolor sit amet  consectetur adipiscing elit  gt  x000D   lt br gt  lt input type  button  id  set-input  value  Set in input  gt  x000D   lt script src  https   ajax googleapis com ajax libs jquery 1 11 1 jquery min js  gt  lt  script gt  x000D   x000D   x000D    As of 2016  tested and working on Chrome  Firefox  IE11  even IE8  see that last here  Stack Snippets don t support IE8

User · Answer

Small modification to the code I found in bitbucket  Code is now able to select highlight with start end points if given 2 positions  Tested and works fine in FF Chrome IE9 Opera       field   caret 1  9     The code is listed below  only a few lines changed    function          fn caret   function pos        var target   this 0       if  arguments length    0      get       if  target selectionStart      DOM         var pos   target selectionStart          return pos  gt  0   pos   0                else if  target createTextRange      IE         target focus            var range   document selection createRange            if  range    null              return  0           var re   target createTextRange            var rc   re duplicate            re moveToBookmark range getBookmark             rc setEndPoint  EndToStart   re           return rc text length                else return 0               set     var pos start   pos      var pos end   pos       if  arguments length  gt  1            pos end   arguments 1              if  target setSelectionRange    DOM       target setSelectionRange pos start  pos end       else if  target createTextRange      IE       var range   target createTextRange          range collapse true         range moveEnd  character   pos end         range moveStart  character   pos start         range select                 jQuery

User · Answer

This worked for me on Safari 5 on Mac OSX  jQuery 1 4      Selector   elementIx  selectionStart   desiredStartPos      Selector   elementIx  selectionEnd   desiredEndPos

User · Answer

As for me here the most easily way to add text Tab - gt   t  in textarea by cursor position and save the focus on cursor      text   keyup function          var cursor       text   prop  selectionStart          if cursot is first in textarea     if  cursor    0              i will add tab in line             text   val   t        text   val               here we set the cursor position             text   prop  selectionEnd   1         else           var value       text   val              save the value before cursor current position         var valToCur   value substring 0  cursor             save the value after cursor current position         var valAfter   value substring cursor  value length             save the new value with added tab in text             text   val valToCur     t    valAfter             set focus of cursot after insert text  1   because I add only one symbol              text   prop  selectionEnd   cursor   1

User · Answer

As for me here the most easily way to add text Tab - gt   t  in textarea by cursor position and save the focus on cursor      text   keyup function          var cursor       text   prop  selectionStart          if cursot is first in textarea     if  cursor    0              i will add tab in line             text   val   t        text   val               here we set the cursor position             text   prop  selectionEnd   1         else           var value       text   val              save the value before cursor current position         var valToCur   value substring 0  cursor             save the value after cursor current position         var valAfter   value substring cursor  value length             save the new value with added tab in text             text   val valToCur     t    valAfter             set focus of cursot after insert text  1   because I add only one symbol              text   prop  selectionEnd   cursor   1

User · Answer

Set the focus before you have inserted the text into the textarea thus       comments   focus        comments   val comments

[javascript] jQuery Set Cursor Position in Text Area

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