Browser detection in JavaScript

Question

How do I determine the exact browser and version using JavaScript

User · Answer

This little library may help you  But be aware that browser detection is not always the solution

User · Answer

I recommend using the tiny javascript library Bowser, yes no r. It is based on the navigator.userAgent and quite well tested for all browsers including iphone, android etc.

https://github.com/ded/bowser

You can use simply say:

if (bowser.msie && bowser.version <= 6) {
  alert('Hello IE');
} else if (bowser.firefox){
  alert('Hello Foxy');
} else if (bowser.chrome){
  alert('Hello Chrome');
} else if (bowser.safari){
  alert('Hello Safari');
} else if(bowser.iphone || bowser.android){
  alert('Hello mobile');
}

User · Answer

All the information about web browser is contained in navigator object  The name and version are there   var appname   window navigator appName    Source  javascript browser detection

User · Answer

This is what I m using   var ua   navigator userAgent  var info             browser   Edge   d   test ua     ed     MSIE 9  test ua     ie9     MSIE 10  test ua     ie10     MSIE 11  test ua     ie11     MSIE s d  test ua     ie      rv  11  test ua     ie11     Firefox W d  test ua     ff     Chrom e ium  W d CriOS W d  test ua     gc      bSafari W d  test ua     sa      bOpera W d  test ua     op      bOPR W d i test ua     op    typeof MSPointerEvent      undefined     ie                 os   Windows NT 10  test ua     win10     Windows NT 6  0  test ua     winvista     Windows NT 6  1  test ua     win7     Windows NT 6   d  test ua     win8     Windows NT 5  1  test ua     winxp     Windows NT  1-5     test ua     winnt     Mac  test ua     mac     Linux  test ua     linux     X11  test ua     nix                touch   ontouchstart  in document documentElement          mobile   IEMobile Windows Phone Lumia i test ua     w     iPhone iP oa d  test ua     i     Android  test ua     a     BlackBerry PlayBook BB10  test ua     b     Mobile Safari  test ua     s     webOS Mobile Tablet Opera Mini  bCrMo   Opera Mobi i test ua    1   0          tablet   Tablet iPad i test ua        info properties    browser  gc for Google Chrome  ie9-ie11 for IE  ie  for old or unknown IE  ed for Edge  ff for Firefox  sa for Safari  op for Opera  os  mac win7 win8 win10 winnt winxp winvista linux nix mobile  a for Android  i for iOS  iPhone iPad   w for Windows Phone  b for Blackberry  s for undetected mobile running Safari  1 for other undetected mobile  0 for non-mobile touch  true for touch enabled devices  including touch laptops notebooks that has both mouse and touch together  false for no touch support tablet  true or false   https   jsfiddle net oriadam ncb4n882

User · Answer

This is something I wrote to get client info  var ua   navigator userAgent toLowerCase    var check   function r        return r test ua      var DOC   document  var isStrict   DOC compatMode     CSS1Compat   var isOpera   check  opera    var isChrome   check  chrome    var isWebKit   check  webkit    var isSafari    isChrome  amp  amp  check  safari    var isSafari2   isSafari  amp  amp  check  applewebkit  4       unique to    Safari 2 var isSafari3   isSafari  amp  amp  check  version  3    var isSafari4   isSafari  amp  amp  check  version  4    var isIE    isOpera  amp  amp  check  msie    var isIE7   isIE  amp  amp  check  msie 7    var isIE8   isIE  amp  amp  check  msie 8    var isIE6   isIE  amp  amp   isIE7  amp  amp   isIE8  var isGecko    isWebKit  amp  amp  check  gecko    var isGecko2   isGecko  amp  amp  check  rv 1  8    var isGecko3   isGecko  amp  amp  check  rv 1  9    var isBorderBox   isIE  amp  amp   isStrict  var isWindows   check  windows win32    var isMac   check  macintosh mac os x    var isAir   check  adobeair    var isLinux   check  linux    var isSecure     https i test window location protocol   var isIE7InIE8   isIE7  amp  amp  DOC documentMode    7   var jsType       browserType       browserVersion       osName       var ua   navigator userAgent toLowerCase    var check   function r        return r test ua       if isWindows       osName    Windows        if check  windows nt             var start   ua indexOf  windows nt            var end   ua indexOf      start           osName   ua substring start  end           else       osName   isMac    Mac    isLinux    Linux     Other       if isIE       browserType    IE       jsType    IE        var versionStart   ua indexOf  msie     5      var versionEnd   ua indexOf      versionStart       browserVersion   ua substring versionStart  versionEnd        jsType   isIE6    IE6    isIE7    IE7    isIE8    IE8     IE     else if  isGecko       var isFF    check  firefox        browserType   isFF    Firefox     Others        jsType   isGecko2    Gecko2    isGecko3    Gecko3     Gecko        if isFF           var versionStart   ua indexOf  firefox     8          var versionEnd   ua indexOf      versionStart           if versionEnd    -1               versionEnd   ua length                    browserVersion   ua substring versionStart  versionEnd           else if isChrome       browserType    Chrome       jsType   isWebKit    Web Kit     Other        var versionStart   ua indexOf  chrome     7      var versionEnd   ua indexOf      versionStart       browserVersion   ua substring versionStart  versionEnd    else      browserType   isOpera    Opera    isSafari    Safari

User · Answer

Below code snippet will show how how you can show UI elemnts depends on IE version and browser

$(document).ready(function () {

var msiVersion = GetMSIieversion();
if ((msiVersion <= 8) && (msiVersion != false)) {

    //Show UI elements specific to IE version 8 or low

    } else {
    //Show UI elements specific to IE version greater than 8 and for other browser other than IE,,ie..Chrome,Mozila..etc
    }
}
);

Below code will give how we can get IE version

function GetMSIieversion() {

var ua = window.navigator.userAgent;
var msie = ua.indexOf('MSIE ');
if (msie > 0) {
    // IE 10 or older => return version number
    return parseInt(ua.substring(msie + 5, ua.indexOf('.', msie)), 10);
}

var trident = ua.indexOf('Trident/');
if (trident > 0) {
    // IE 11 => 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 > 0) {
    // Edge (IE 12+) => return version number
    return parseInt(ua.substring(edge + 5, ua.indexOf('.', edge)), 10);
}

// other browser like Chrome,Mozila..etc
return false;

}

User · Answer

This tells you all the details about your browser and the version of it        lt  DOCTYPE html gt   lt html gt   lt body gt   lt div id  example  gt  lt  div gt    lt script gt   txt     lt p gt Browser CodeName      navigator appCodeName     lt  p gt    txt     lt p gt Browser Name      navigator appName     lt  p gt    txt     lt p gt Browser Version      navigator appVersion     lt  p gt    txt     lt p gt Cookies Enabled      navigator cookieEnabled     lt  p gt    txt     lt p gt Platform      navigator platform     lt  p gt    txt     lt p gt User-agent header      navigator userAgent     lt  p gt    txt     lt p gt User-agent language      navigator systemLanguage     lt  p gt     document getElementById  example   innerHTML txt    lt  script gt    lt  body gt   lt  html gt

User · Answer

var browser   navigator appName  var version   navigator appVersion    Note  however  that both will not necessarily reflect the truth  Many browsers can be set to mask as other browsers  So  for example  you can t always be sure if a user is actually surfing with IE6 or with Opera that pretends to be IE6

User · Answer

Here s how to detect browsers in 2016  including Microsoft Edge  Safari 10 and detection of Blink      Opera 8 0   UA detection to detect Blink v8-powered Opera  isOpera     window opera    navigator userAgent indexOf   OPR     gt   0     Firefox 1 0  isFirefox   typeof InstallTrigger      undefined      Safari 3 0  isSafari    constructor i test window HTMLElement      function  p    return p toString         object SafariRemoteNotification        window  safari      safari pushNotification      Internet Explorer 6-11 isIE      cc on    false      document documentMode     Edge 20  isEdge    isIE  amp  amp    window StyleMedia     Chrome 1  isChrome     window chrome  amp  amp    window chrome webstore     Blink engine detection isBlink    isChrome    isOpera   amp  amp    window CSS    The beauty of this approach is that it relies on browser engine properties  so it covers even derivative browsers  such as Yandex or Vivaldi  which are practically compatible with the major browsers whose engines they use  The exception is Opera  which relies on user agent sniffing  but today  i e  ver  15 and up  even Opera is itself only a shell for Blink

User · Answer

Here is how I do custom CSS for Internet Explorer:

In my JavaScript file:

function isIE () {
      var myNav = navigator.userAgent.toLowerCase();
      return (myNav.indexOf('msie') != -1) ? parseInt(myNav.split('msie')[1]) : false;
}

jQuery(document).ready(function(){
    if(var_isIE){
            if(var_isIE == 10){
                jQuery("html").addClass("ie10");
            }
            if(var_isIE == 8){
                jQuery("html").addClass("ie8");
                // you can also call here some function to disable things that 
                //are not supported in IE, or override browser default styles.
            }
        }
    });

And then in my CSS file, y define each different style:

.ie10 .some-class span{
    .......
}
.ie8 .some-class span{
    .......
}

User · Answer

You could use the jQuery library to detect the browser version.

Example:

jQuery.browser.version

However, this only makes sense if you are also using other functions of jQuery. Adding an entire library just to detect the browser seems like overkill to me.

More information: http://api.jquery.com/jQuery.browser/

(you have to scroll down a bit)

User · Answer

With jQuery     browser   gives you somthing like   Object  chrome  true  version   26 0 1410 63   webkit  true

User · Answer

I found something interesting and quicker way  IE supports navigator systemLanguage which returns  en-US  where other browsers return undefined    lt script gt      var lang   navigator systemLanguage      if  lang   en-US   document write  Well  this is not internet explorer         else document write  This is internet explorer      lt  script gt

User · Answer

Sadly  IE11 no longer has MSIE in its navigator userAgent    Mozilla 5 0  Windows NT 6 1  WOW64  Trident 7 0  SLCC2   NET CLR 2 0 50727   NET CLR 3 5 30729   NET CLR 3 0 30729  Media Center PC 6 0  OfficeLiveConnector 1 5  OfficeLivePatch 1 3   NET4 0C  BRI 2  BOIE9 ENUS  rv 11 0  like Gecko   As to why you want to know which browser you re using  it s because every browser has its own set of bugs  and you end up implementing browser and version specific workarounds  or tell the user to use a different browser

User · Answer

I make this small function  hope it helps  Here you can find the latest version  browserDetection   function detectBrowser userAgent     var chrome        Chrome      Safari      g    var firefox       Firefox      g    var safari        Version      Safari      g    var opera         Chrome      Safari      OPR      g    if opera exec userAgent       return  Opera    if chrome exec userAgent       return  Chrome    if safari exec userAgent       return  Safari    if firefox exec userAgent       return  Firefox

User · Answer

Some times we need simple method to check if the browser is IE or not. This is how it could be:

 var isMSIE = (/trident/i).test(navigator.userAgent);

 if(isMSIE)
 {
  /* do something for ie */
 }
 else
 {
  /* do something else */
 }

or simplified siva's method:

 if(!!navigator.systemLanguage)
 {
  /* do something for ie */
 }
 else
 {
  /* do something else */
 }

MSIE v.11 check:

if( (/trident/i).test(navigator.userAgent) && (/rv:/i).test(navigator.userAgent) )
{
  /* do something for ie 11 */
}

other IE browsers contain MSIE string in their userAgent property and could be catched by it.

User · Answer

I know I m WAY late to this question  but figured I d throw my snippets up here  A lot of the answers here are OK  and  as one points out  it s generally best to use feature detection rather than rely on the userAgent string  However  if you are going to go that route  I ve written a complete snippet  as well as an alternate jQuery implementation to replace the depricated   browser     Vanilla JS  My first snippet simply adds four properties to the navigator object  browser  version  mobile   amp  webkit   jsFiddle   GitHub min         navigator  extended      Simply extends Browsers navigator Object to include browser name  version number  and mobile type  if available           property  String  browser The name of the browser       property  Double  version The current Browser version number       property  String Boolean  mobile Will be  false  if is not found to be mobile device  Else  will be best guess Name of Mobile Device  not to be confused with browser name       property  Boolean  webkit If is webkit or not        function   function c   try switch  0  case  MSIE Trident i test navigator userAgent  return MSIE  case  Chrome  test navigator userAgent  return Chrome  case  Opera  test navigator userAgent  return Opera  case  Kindle Silk KFTT KFOT KFJWA KFJWI KFSOWI KFTHWA KFTHWI KFAPWA KFAPWI i test navigator userAgent  return Silk i test navigator userAgent   Silk   Kindle  case  BlackBerry  test navigator userAgent  return BlackBerry  case  PlayBook  test navigator userAgent  return PlayBook  case  BB 0-9  1    Touch  test navigator userAgent  return Blackberry   case  Android  test navigator userAgent  return Android  case  Safari  test navigator userAgent  return Safari  case  Firefox  test navigator userAgent  return Mozilla  case  Nokia  test navigator userAgent  return Nokia   catch a  console debug  ERROR setBrowser t  a   function d   try switch  0  case  Sony      i test navigator userAgent  return Sony  case  RIM Tablet i test navigator userAgent  return RIM Tablet  case  BlackBerry i test navigator userAgent  return BlackBerry  case  iPhone i test navigator userAgent  return iPhone   case  iPad i test navigator userAgent  return iPad  case  iPod i test navigator userAgent  return iPod  case  Opera Mini i test navigator userAgent  return Opera Mini  case  IEMobile i test navigator userAgent  return IEMobile  case  BB 0-9  1    Touch i test navigator userAgent  return BlackBerry  case  Nokia i test navigator userAgent  return Nokia  case  Android i test navigator userAgent  return Android   catch a  console debug  ERROR setMobile t  a  return 1 function e   try switch  0  case  MSIE Trident i test navigator userAgent  return Trident i test navigator userAgent  amp  amp   rv   0-9  1     0-9  0     test navigator userAgent  parseFloat navigator userAgent match  rv   0-9  1     0-9  0      1  replace    0-9    g       MSIE i test navigator userAgent  amp  amp 0 lt parseFloat navigator userAgent split  MSIE   1  replace    0-9    g      parseFloat navigator userAgent split  MSIE   1  replace    0-9    g       Edge  case  Chrome  test navigator userAgent  return parseFloat navigator userAgent split  Chrome    1  split  Safari   0  replace    0-9    g      case  Opera  test navigator userAgent  return parseFloat navigator userAgent split  Version    1  replace    0-9    g       case  Kindle Silk KFTT KFOT KFJWA KFJWI KFSOWI KFTHWA KFTHWI KFAPWA KFAPWI i test navigator userAgent  if  Silk i test navigator userAgent  return parseFloat navigator userAgent split  Silk    1  split  Safari   0  replace    0-9    g      if  Kindle i test navigator userAgent  amp  amp  Version i test navigator userAgent  return parseFloat navigator userAgent split  Version    1  split  Safari   0  replace    0-9    g      case  BlackBerry  test navigator userAgent  return parseFloat navigator userAgent split      1  replace    0-9    g       case  PlayBook  test navigator userAgent  case  BB 0-9  1    Touch  test navigator userAgent  case  Safari  test navigator userAgent  return parseFloat navigator userAgent split  Version    1  split  Safari   0  replace    0-9    g      case  Firefox  test navigator userAgent  return parseFloat navigator userAgent split  Firefox   i  1  replace    0-9    g      case  Android  test navigator userAgent  return parseFloat navigator userAgent split  Version    1  split  Safari   0  replace    0-9    g       case  Nokia  test navigator userAgent  return parseFloat navigator userAgent split  Browser   1  replace    0-9    g       catch a  console debug  ERROR setVersion t  a   a  try if navigator amp  amp navigator userAgent  navigator browser c   navigator mobile d   navigator version e   var b b  try b  WebKit i test navigator userAgent  break b catch a  console debug  ERROR setWebkit t  a  b void 0 navigator webkit b break a  catch a   throw Error  Browser does not support  navigator  Object  OR  has undefined  userAgent  property                simple c  amp  p of above

User · Answer

var isOpera     window opera    navigator userAgent indexOf   OPR     gt   0         Opera 8 0   UA detection to detect Blink v8-powered Opera  var isFirefox   typeof InstallTrigger      undefined        Firefox 1 0  var isSafari   Object prototype toString call window HTMLElement  indexOf  Constructor    gt  0         At least Safari 3     object HTMLElementConstructor   var isChrome     window chrome  amp  amp   isOpera                  Chrome 1  var isIE      cc on    false      document documentMode     Edge 20  var isEdge    isIE  amp  amp    window StyleMedia     Chrome 1  var output    Detecting browsers by ducktyping  lt hr gt    output     isFirefox      isFirefox     lt br gt    output     isChrome      isChrome     lt br gt    output     isSafari      isSafari     lt br gt    output     isOpera      isOpera     lt br gt    output     isIE      isIE     lt br gt    output     isIE Edge      isEdge     lt br gt    document body innerHTML   output

User · Answer

Instead of hardcoding web browsers  you can scan the user agent to find the browser name   navigator userAgent split      reverse   0  match     Gecko Version  A-Za-z   Web Kk it  A-Z  a-z   g  0    I ve tested this on Safari  Chrome  and Firefox  Let me know if you found this doesn t work on a browser    Safari   Safari  Chrome   Chrome  Firefox   Firefox    You can even modify this to get the browser version if you want  Do note there are better ways to get the browser version  navigator userAgent split      reverse   0  match     Gecko Version  A-Za-z   Web Kk it  A-Z  a-z      d    g  0  split        Sample output   Firefox 39 0

User · Answer

var isOpera     window opera    navigator userAgent indexOf  Opera    gt   0             Opera 8 0   UA detection to detect Blink v8-powered Opera          var isFirefox   typeof InstallTrigger      undefined        Firefox 1 0          var isSafari   Object prototype toString call window HTMLElement  indexOf  Constructor    gt  0             At least Safari 3     object HTMLElementConstructor           var isChrome     window chrome                              Chrome 1          var isIE      cc on    false     you can more read How to detect Safari  Chrome  IE  Firefox and Opera browser

User · Answer

Not exactly what you want  but close to it   var jscriptVersion      cc on  if   jscript    jscript version  else     false    end      var geckoVersion   navigator product      Gecko   amp  amp  navigator productSub  var operaVersion    opera  in window  amp  amp   version  in opera  amp  amp  opera version      The variables will contain the appropriate version or false if it is not available   I d appreciate it if someone using Chrome could find out if you can use window chrome in a similar way to window opera

User · Answer

Copy and paste this into your code text editor  and try it    Before you use this to fix compatability bugs  it s best to try inform the browser provider that you have found a bug and there latest browser may not be up to date with the current web standards    Since none of the browsers use the browser identification system properly you need to do something a bit like this    Write browser identification document write navigator userAgent     lt br gt       Detect browser and write the corresponding name if  navigator userAgent search  MSIE    gt   0       document write   MS Internet Explorer         var position   navigator userAgent search  MSIE     5      var end   navigator userAgent search    Windows        var version   navigator userAgent substring position end       document write version           else if  navigator userAgent search  Chrome    gt   0   document write   Google Chrome       For some reason in the browser identification Chrome contains the word  Safari  so when detecting for Safari you need to include Not Chrome     var position   navigator userAgent search  Chrome     7      var end   navigator userAgent search   Safari        var version   navigator userAgent substring position end       document write version           else if  navigator userAgent search  Firefox    gt   0       document write   Mozilla Firefox         var position   navigator userAgent search  Firefox     8      var version   navigator userAgent substring position       document write version           else if  navigator userAgent search  Safari    gt   0  amp  amp  navigator userAgent search  Chrome    lt  0     lt  lt  Here     document write   Apple Safari         var position   navigator userAgent search  Version     8      var end   navigator userAgent search   Safari        var version   navigator userAgent substring position end       document write version           else if  navigator userAgent search  Opera    gt   0       document write   Opera         var position   navigator userAgent search  Version     8      var version   navigator userAgent substring position       document write version           else      document write   Other          Use w3schools research the  search    method as other methods are availible

User · Answer

If you want a function that returns the browser as well as the version, here is an improvement from the original answer:

navigator.browserInfo = 
(
    function()
    {
        var browser = '';
        var version = '';
        var idString = '';

        var ua = navigator.userAgent;
        var tem = [];
        var M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i);

        //IE will be identified as 'Trident' and a different version number. The name must be corrected to 'Internet Explorer' and the correct version identified.
        //ie correction
        if(/trident/i.test(M[1]))
        {
            tem = /\brv[ :]+(\d+.?\d*)/g.exec(ua) || [];
            browser = 'Internet Explorer';
            version = tem[1];
        }

        //firefox
        else if(/firefox/i.test(M[1]))
        {
            tem = /\brv[ :]+(\d+.?\d*)/g.exec(ua) || [];
            browser = 'Firefox';
            version = tem[1];
        }

        //safari
        else if(/safari/i.test(M[1]))
        {
            tem = ua.match(/\bVersion\/(\d+.?\d*\s*\w+)/);
            browser = 'Safari';
            version = tem[1];
        }

        //If 'Chrome' is found, it may be another browser. 
        else if(M[1] === 'Chrome')
        {
            //opera
            var temOpr = ua.match(/\b(OPR)\/(\d+.?\d*.?\d*.?\d*)/);
            //edge
            var temEdge = ua.match(/\b(Edge)\/(\d+.?\d*)/);
            //chrome
            var temChrome = ua.match(/\b(Chrome)\/(\d+.?\d*.?\d*.?\d*)/);

            //a genuine 'Chrome' reading will result from ONLY temChrome not being null.
            var genuineChrome = temOpr == null && temEdge == null && temChrome != null;

            if(temOpr != null)
            {
                browser = temOpr[1].replace('OPR', 'Opera');
                version = temOpr[2];
            }

            if(temEdge != null)
            {
                browser = temEdge[1];
                version = temEdge[2];
            }

            if(genuineChrome)
            {
                browser = temChrome[1];
                version = temChrome[2];
            }
        }
        //There will be some odd balls, so if you wish to support those browsers, add functionality to display those browsers as well.

        if(browser == '' || version == '')
        {
            idString = 'We couldn\'t find your browser, but you can still use the site';
        }
        else
        {
            idString = browser + ' version ' + version;
        }

        alert('Your browser is ' + idString);

        //store the type of browser locally
        if(typeof(Storage) !== "undefined")
        {
            //Store
            localStorage.setItem('browser', browser);
            localStorage.setItem('version', version);
        } 
        else
        {
            alert('local storage not available');
        }
    }
)();

With this, it also stores the result locally, so this check is not necessary to run every time.

User · Answer

Since Internet Explorer 11  IE11   came out and is not using the tag name of MSIE anymore I came up with a variance of an older detection function   navigator sayswho   function        var N  navigator appName  ua  navigator userAgent  tem          if IE11      if  new RegExp  Trident   rv   0-9  1     0-9  0      exec ua      null            var M    Internet Explorer            if M  amp  amp   tem  ua match  rv   0-9  1     0-9  0         null  M 2   tem 1           M  M   M 0   M 2     N  navigator appVersion  -             return M             var M  ua match   opera chrome safari firefox msie     s      d     d     i       if M  amp  amp   tem  ua match  version       d    i     null  M 2   tem 1       M  M   M 1   M 2     N  navigator appVersion  -         return M

User · Answer

It is usually best to avoid browser-specific code where possible. The JQuery $.support property is available for detection of support for particular features rather than relying on browser name and version.

In Opera for example, you can fake an internet explorer or firefox instance.

alt text

A detailed description of JQuery.support can be found here: http://api.jquery.com/jQuery.support/

Now deprecated according to jQuery.

We strongly recommend the use of an external library such as Modernizr instead of dependency on properties in jQuery.support.

When coding websites, I always make sure, that basic functionality like navigation is also accessible to non-js users. This may be object to discussion and can be ignored if the homepage is targeted to a special audience.

User · Answer

navigator sayswho   function        var ua  navigator userAgent  tem      M  ua match   opera chrome safari firefox msie trident           s   d   i             if  trident i test M 1             tem     brv       d   g exec ua                 return  IE    tem 1                    if M 1      Chrome            tem  ua match   b OPR Edge      d              if tem   null  return tem slice 1  join      replace  OPR    Opera   replace  Edg     Edge                           M  M 2    M 1   M 2     navigator appName  navigator appVersion   -         if  tem  ua match  version    d   i     null  M splice 1  1  tem 1        return M join               As the name implies  this will tell you the  name and version number supplied by the browser   It is handy for sorting test and error results  when you are testing new code on multiple browsers

[javascript] Browser detection in JavaScript?

The answer is

Vanilla JS

jsFiddle

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