Check if user is using IE

Question

I am calling a function like the one below by click on divs with a certain class    Is there a way I can check when starting the function if a user is using Internet Explorer and abort   cancel it if they are using other browsers so that it only runs for IE users   The users here would all be on IE8 or higher versions so I would not need to cover IE7 and lower versions   If I could tell which browser they are using that would be great but is not required   Example function       myClass   on  click   function event           my function

User · Accepted Answer

Use below JavaScript method     function msieversion          var ua   window navigator userAgent      var msie   ua indexOf  MSIE          if  msie  gt  0     If Internet Explorer  return version number               alert parseInt ua substring msie   5  ua indexOf      msie                else     If another browser  return 0               alert  otherbrowser               return false      You may find the details on below Microsoft support site     How to determine browser version from script  Update    IE 11 support   function msieversion          var ua   window navigator userAgent      var msie   ua indexOf  MSIE          if  msie  gt  0      navigator userAgent match  Trident  rv  11          If Internet Explorer  return version number               alert parseInt ua substring msie   5  ua indexOf      msie                else     If another browser  return 0               alert  otherbrowser               return false

User · Answer

I ve placed this code in the document ready function and it only triggers in internet explorer  Tested in Internet Explorer 11   var ua   window navigator userAgent  ms ie    MSIE Trident  test ua   if   ms ie           Do internet explorer exclusive behaviour here

User · Answer

It s several years later  and the Edge browser now uses Chromium as its rendering engine  Checking for IE 11 is still a thing  sadly     Here is a more straightforward approach  as ancient versions of IE should be gone   if  window document documentMode         Do IE stuff       Here is my old answer  2014    In Edge the User Agent String has changed          detect IEEdge    returns version of IE Edge or false  if browser is not a Microsoft browser     function detectIEEdge         var ua   window navigator userAgent       var msie   ua indexOf  MSIE         if  msie  gt  0               IE 10 or older   gt  return version number         return parseInt ua substring msie   5  ua indexOf      msie    10              var trident   ua indexOf  Trident         if  trident  gt  0               IE 11   gt  return version number         var rv   ua indexOf  rv             return parseInt ua substring rv   3  ua indexOf      rv    10              var edge   ua indexOf  Edge         if  edge  gt  0              Edge   gt  return version number        return parseInt ua substring edge   5  ua indexOf      edge    10                 other browser     return false      Sample usage   alert  IEEdge     detectIEEdge       Default string of IE 10   Mozilla 5 0  compatible  MSIE 10 0  Windows NT 6 2  Trident 6 0    Default string of IE 11   Mozilla 5 0  Windows NT 6 3  Trident 7 0  rv 11 0  like Gecko    Default string of Edge 12   Mozilla 5 0  Windows NT 10 0  WOW64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 39 0 2171 71 Safari 537 36 Edge 12 0    Default string of Edge 13  thx  DrCord    Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 46 0 2486 0 Safari 537 36 Edge 13 10586    Default string of Edge 14   Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 46 0 2486 0 Safari 537 36 Edge 14 14300    Default string of Edge 15   Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 52 0 2743 116 Safari 537 36 Edge 15 15063    Default string of Edge 16   Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 58 0 3029 110 Safari 537 36 Edge 16 16299    Default string of Edge 17   Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 64 0 3282 140 Safari 537 36 Edge 17 17134    Default string of Edge 18  Insider preview    Mozilla 5 0  Windows NT 10 0  Win64  x64  ServiceUI 14  AppleWebKit 537 36  KHTML  like Gecko  Chrome 64 0 3282 140 Safari 537 36 Edge 18 17730    Test at CodePen   http   codepen io gapcode pen vEJNZN

User · Answer

This is how the Angularjs team is doing it  v 1 6 5    var msie     holds major version number for IE  or NaN if UA is not IE      Support  IE 9-11 only        documentMode is an IE-only property    http   msdn microsoft com en-us library ie cc196988 v vs 85  aspx     msie   window document documentMode    Then there are several lines of code scattered throughout using it as a number such as   if  event      input   amp  amp  msie  lt   11  return false    and  if  enabled  amp  amp  msie  lt  8

User · Answer

Try doing like this  if    browser msie  amp  amp    browser version    8          my stuff

User · Answer

You can use the navigator object to detect user-navigator  you don t need jquery for it  the 4 comments below are already included so this snippet works as expected if   MSIE   d    d     test navigator userAgent     navigator userAgent indexOf  quot Trident  quot    gt  -1         Do stuff with Internet-Exploders           http   www javascriptkit com javatutors navigator shtml

User · Answer

Many answers here  and I d like to add my input  IE 11 was being such an ass concerning flexbox  see all its issues and inconsistencies here  that I really needed an easy way to check if a user is using any IE browser  up to and including 11  but excluding Edge  because Edge is actually pretty nice   Based on the answers given here  I wrote a simple function returning a global boolean variable which you can then use down the line  It s very easy to check for IE   var isIE   function         var ua   window navigator userAgent          msie   ua indexOf  MSIE             trident   ua indexOf  Trident          isIE    msie  gt  -1    trident  gt  -1    true   false         if  isIE        alert  I am an Internet Explorer         This way you only have to do the look up once  and you store the result in a variable  rather than having to fetch the result on each function call   As far as I know you don t even have to wait for document ready to execute this code as the user-agent is not related to the DOM

User · Answer

Update to SpiderCode s answer to fix issues where the string  MSIE  returns -1 but it matches  Trident   It used to return NAN  but now returns 11 for that version of IE      function msieversion            var ua   window navigator userAgent         var msie   ua indexOf  MSIE            if  msie  gt  -1               return ua substring msie   5  ua indexOf      msie             else if  navigator userAgent match  Trident  rv  11                   return 11           else              return false

User · Answer

Yet another simple  yet human readable  function to detect if the browser is IE or not  ignoring Edge  which isn t bad at all    function isIE       var ua   window navigator userAgent    var msie   ua indexOf  MSIE        IE 10 or older   var trident   ua indexOf  Trident       IE 11    return  msie  gt  0    trident  gt  0

User · Answer

You can dectect all Internet Explorer  Last Version Tested 12     lt script gt      var  userAgent           if  MSIE i  test   navigator  userAgent     true   rv i  test   navigator  userAgent     true   Edge i  test   navigator  userAgent     true           userAgent  ie         else           userAgent  other              alert  userAgent    lt  script gt    See here https   jsfiddle net v7npeLwe

User · Answer

Below I found elegant way of doing this while googling ---    detect IE var IEversion   detectIE     if  IEversion     false      document getElementById  result   innerHTML    IE     IEversion    else     document getElementById  result   innerHTML    NOT IE         add details to debug result document getElementById  details   innerHTML   window navigator userAgent          detect IE    returns version of IE or false  if browser is not Internet Explorer     function detectIE       var ua   window navigator userAgent        Test values  Uncomment to check result           IE 10      ua    Mozilla 5 0  compatible  MSIE 10 0  Windows NT 6 2  Trident 6 0          IE 11      ua    Mozilla 5 0  Windows NT 6 3  Trident 7 0  rv 11 0  like Gecko         IE 12   Spartan      ua    Mozilla 5 0  Windows NT 10 0  WOW64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 39 0 2171 71 Safari 537 36 Edge 12 0         Edge  IE 12        ua    Mozilla 5 0  Windows NT 10 0  Win64  x64  AppleWebKit 537 36  KHTML  like Gecko  Chrome 46 0 2486 0 Safari 537 36 Edge 13 10586      var msie   ua indexOf  MSIE       if  msie  gt  0           IE 10 or older   gt  return version number     return parseInt ua substring msie   5  ua indexOf      msie    10          var trident   ua indexOf  Trident       if  trident  gt  0           IE 11   gt  return version number     var rv   ua indexOf  rv         return parseInt ua substring rv   3  ua indexOf      rv    10          var edge   ua indexOf  Edge       if  edge  gt  0           Edge  IE 12     gt  return version number     return parseInt ua substring edge   5  ua indexOf      edge    10             other browser   return false

User · Answer

I landed on this page in 2020  and I see that till IE5 all userAgent string have Trident  I m not sure if they have changed anything  So checking only for Trident in the userAgent worked for me  var isIE   navigator userAgent indexOf  Trident    gt  -1

User · Answer

JavaScript function to detect the version of Internet Explorer or Edge  function ieVersion uaString      uaString   uaString    navigator userAgent    var match     b MSIE  Trident   rv  Edge     d    exec uaString     if  match  return parseInt match 2

User · Answer

Method 01    browser was deprecated in jQuery version 1 3 and removed in 1 9   if     browser msie      alert   Hello  This is IE          Method 02  Using Conditional Comments   lt  -- if gte IE 8  gt   lt p gt You re using a recent version of Internet Explorer  lt  p gt   lt   endif -- gt    lt  -- if lt IE 7  gt   lt p gt Hm  You should upgrade your copy of Internet Explorer  lt  p gt   lt   endif -- gt    lt   if  IE  gt   lt p gt You re not using Internet Explorer  lt  p gt   lt   endif  gt    Method 03              Returns the version of Internet Explorer or a -1     indicating the use of another browser       function getInternetExplorerVersion         var rv   -1     Return value assumes failure       if  navigator appName     Microsoft Internet Explorer                 var ua   navigator userAgent          var re    new RegExp  MSIE   0-9  1     0-9  0               if  re exec ua     null              rv   parseFloat  RegExp  1               return rv     function checkVersion         var msg    You re not using Internet Explorer        var ver   getInternetExplorerVersion         if   ver  gt  -1                 if   ver  gt   8 0                msg    You re using a recent copy of Internet Explorer           else             msg    You should upgrade your copy of Internet Explorer               alert  msg        Method 04   Use JavaScript Manual Detection          Internet Explorer sniffer code to add class to body tag for IE version       Can be removed if your using something like Modernizr       var ie    function             var undef       v   3           div   document createElement  div             all   div getElementsByTagName  i          while        div innerHTML     lt  -- if gt IE        v       gt  lt i gt  lt  i gt  lt    endif -- gt         all 0            append class to body for use with browser support      if  v  gt  4                     body   addClass  ie    v                    Reference Link

User · Answer

Or this really short version  returns true if the browsers is Internet Explorer   function isIe         return window navigator userAgent indexOf  MSIE     gt  0              navigator userAgent match  Trident  rv  11

User · Answer

If you don t want to use the useragent  you could also just do this for checking if the browser is IE   The commented code actually runs in IE browsers and turns the  false  to  true    var isIE      cc on    false  if isIE         The browser is IE   else        The browser is NOT IE

User · Answer

function detectIE         var ua   window navigator userAgent      var ie   ua search   MSIE Trident Edge          return ie  gt  -1

User · Answer

Using modernizr  Modernizr addTest  ie   function          var ua   window navigator userAgent      var msie   ua indexOf  MSIE     gt  0      var ie11   ua indexOf  Trident     gt  0      var ie12   ua indexOf  Edge     gt  0      return msie    ie11    ie12

User · Answer

I think it will help you Here  function checkIsIE         var isIE   false      if  navigator userAgent indexOf  MSIE       -1    navigator appVersion indexOf  Trident     gt  0            isIE   true            if  isIE      If Internet Explorer  return version number               kendo ui Window fn  keydown   function  originalFn                var KEY ESC   27              return function  e                    if  e which     KEY ESC                        originalFn call this  e                                              kendo ui Window fn  keydown            var windowBrowser       windowBrowser   kendoWindow               modal  true              id   dialogBrowser               visible  false              width   40                title   Th  ng b  o               scrollable  false              resizable  false              deactivate  false              position                    top  100                  left   30                            data  kendoWindow            var html     lt br   gt  lt div style  width 100  text-align center  gt  lt p style  color red font-weight bold  gt Please use the browser below to use the tool lt  p gt            html      lt img src   Scripts IPTVClearFeePackage Box Images firefox png   gt            html       lt img src   Scripts IPTVClearFeePackage Box Images chrome png    gt            html       lt img src   Scripts IPTVClearFeePackage Box Images opera png    gt            html      lt hr   gt  lt form gt  lt input type  button  class  btn btn-danger  value      ng tr  nh duy t  onclick  window close    gt  lt  form gt  lt div gt            windowBrowser content html           windowBrowser open                 windowBrowser   parent   find   k-window-titlebar   remove              else     If another browser  return 0               return false

User · Answer

i ve used this   function notIE        var ua   window navigator userAgent      if  ua indexOf  Edge     gt  0             ua indexOf  Trident     gt  0             ua indexOf  MSIE     gt  0          return false       else          return true

User · Answer

function msieversion     var ua   window navigator userAgent  console log ua   var msie   ua indexOf  MSIE      if  msie  gt  -1    navigator userAgent match  Trident  rv 11                If Internet Explorer  return version numbe        You can do what you want only in IE in here      var version number parseInt ua substring msie   5  ua indexOf      msie         if  isNaN version number             var rv index ua indexOf  rv             version number parseInt ua substring rv index 3 ua indexOf     rv index               console log version number     else                other browser        console log  otherbrowser          You should see the result in console  please use chrome Inspect

User · Answer

Try this if you are using jquery version   1 9   var browser  jQuery uaMatch   function  ua        ua   ua toLowerCase         var match     chrome         w      exec ua               webkit         w      exec ua               opera      version          w      exec ua               msie     w      exec ua              ua indexOf  compatible    lt  0  amp  amp    mozilla        rv    w        exec ua              Trident        w      exec ua              return           browser  match 1                 version  match 2      0               Don t clobber any existing jQuery browser in case it s different if   jQuery browser        matched   jQuery uaMatch navigator userAgent       browser            if  matched browser            browser matched browser    true          browser version   matched version                Chrome is Webkit  but Webkit is also Safari      if  browser chrome            browser webkit   true        else if  browser webkit            browser safari   true             jQuery browser   browser      If using jQuery version  lt 1 9    browser was removed in jQuery 1 9  use the following code instead       myClass   on  click   function  event        if    browser msie            alert   browser version

User · Answer

I just wanted to check if the browser was IE11 or older  because well  they re crap   function isCrappyIE         var ua   window navigator userAgent      var crappyIE   false      var msie   ua indexOf  MSIE         if  msie  gt  0      IE 10 or older   gt  return version number                 crappyIE   true            var trident   ua indexOf  Trident         if  trident  gt  0      IE 11   gt  return version number                 crappyIE   true            return crappyIE        if  isCrappyIE    console table  not a crappy browser

User · Answer

You can use   browser to get name  vendor and version information   See http   api jquery com jQuery browser

User · Answer

I know this is an old question  but in case anyone comes across it again and has issues with detecting IE11  here is a working solution for all current versions of IE   var isIE   false  if  navigator userAgent indexOf  MSIE       -1    navigator appVersion indexOf  Trident     gt  0        isIE   true

User · Answer

Using the answers above  simple  amp  condensed returning Boolean   var isIE     MSIE Trident   Edge    i test navigator userAgent

User · Answer

This only work below IE 11 version   var ie version   parseInt window navigator userAgent substring window navigator userAgent indexOf  MSIE      5  window navigator userAgent indexOf      window navigator userAgent indexOf  MSIE          console log  version number  ie version

User · Answer

This returns true for any version of Internet Explorer   function isIE userAgent      userAgent   userAgent    navigator userAgent    return userAgent indexOf  MSIE     gt  -1    userAgent indexOf  Trident     gt  -1    userAgent indexOf  Edge     gt  -1      The userAgent parameter is optional and it defaults to the browser s user agent

User · Answer

If all you want to know is if the browser is IE or not  you can do this   var isIE   false  var ua   window navigator userAgent  var old ie   ua indexOf  MSIE     var new ie   ua indexOf  Trident      if   old ie  gt  -1      new ie  gt  -1         isIE   true     if   isIE           IE specific code goes here     Update 1  A better method  I recommend this now  It is still very readable and is far less code     var ua   window navigator userAgent  var isIE    MSIE Trident  test ua    if   isIE         IE specific code goes here     Thanks to JohnnyFun in the comments for the shortened answer     Update 2  Testing for IE in CSS  Firstly  if you can  you should use  supports statements instead of JS for checking if a browser supports a certain CSS feature    element        styles for all browsers        supports  display  grid       element          styles for browsers that support display  grid             Note that IE doesn t support  supports at all and will ignore any styles placed inside an  supports statement    If the issue can t be resolved with  supports then you can do this      JS  var ua   window navigator userAgent  var isIE    MSIE Trident  test ua    if   isIE       document documentElement classList add  ie          CSS      element        styles that apply everywhere        ie  element        styles that only apply in IE         Note  classList is relatively new to JS and I think  out of the IE browsers  it only works in IE11  Possibly also IE10    If you are using SCSS  Sass  in your project  this can be simplified to      SCSS  Sass       element        styles that apply everywhere        ie  amp           styles that only apply in IE            Update 3  Adding Microsoft Edge  not recommended   If you also want to add Microsoft Edge into the list  you can do the following  However I do not recommend it as Edge is a much more competent browser than IE   var ua   window navigator userAgent  var isIE    MSIE Trident Edge    test ua    if   isIE         IE  amp  Edge specific code goes here

User · Answer

Necromancing  In order to not depend on the user-agent string  just check for a few properties  if  document documentMode         console log  Hello Microsoft IE User        if   document documentMode  amp  amp  window msWriteProfilerMark        console log  Hello Microsoft Edge User        if  document documentMode    window msWriteProfilerMark         console log  Hello Microsoft User        if  window msWriteProfilerMark         console log  Hello Microsoft User in fewer characters        Also  this detects the new Chredge Edgium  Anaheim   function isEdg           for  var i   0  u  quot Microsoft quot   l  u length  i  lt  navigator plugins length  i                  if  navigator plugins i  name    null  amp  amp  navigator plugins i  name substr 0  l      u              return true             return false     And this detects chromium  function isChromium           for  var i   0  u  quot Chromium quot   l  u length  i  lt  navigator plugins length  i                  if  navigator plugins i  name    null  amp  amp  navigator plugins i  name substr 0  l      u              return true             return false     And this Safari  if window safari        console log  quot Safari  yeah  quot

User · Answer

SpiderCode s solution does not work with IE 11  Here is the best solution that I used henceforth in my code where I need browser detection for particular feature   IE11 no longer reports as MSIE  according to this list of changes  it s intentional to avoid mis-detection   What you can do if you really want to know it s IE is to detect the Trident  string in the user agent if navigator appName returns Netscape  something like  the untested    Thanks to this answer  function isIE       var rv   -1    if  navigator appName     Microsoft Internet Explorer           var ua   navigator userAgent      var re    new RegExp  MSIE   0-9  1     0-9  0           if  re exec ua     null        rv   parseFloat  RegExp  1          else if  navigator appName     Netscape           var ua   navigator userAgent      var re    new RegExp  Trident   rv   0-9  1     0-9  0           if  re exec ua     null        rv   parseFloat  RegExp  1          return rv    -1   false  true

[javascript] Check if user is using IE

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