Error Uncaught SyntaxError Unexpected token

Question

For some reason  I m getting this error message   Uncaught SyntaxError  Unexpected token  lt    For this line of code   title    lt img src   images text text mario planet jukebox png  id  text mario planet jukebox   gt      In this context     document  ready function             infobutton   click function                 music descrip   dialog  open                        music descrip   dialog               title    lt img src   images text text mario planet jukebox png  id  text mario planet jukebox   gt                autoOpen  false              height  375              width  500              modal  true              resizable  false              buttons                     Without Music   function                           this  dialog  close                          cookie  autoPlay    no     expires  365   10                                         With Music   function                           this  dialog  close                          cookie  autoPlay    yes     expires  365   10                                                           I think everything should be good to go  but I don t understand why the  lt  is somehow throwing this off    whoops  forgot to show where this is happening  My bad   http   www marioplanet com index asp  Any ideas

User · Answer

try to replace the text javascript to text html then save the note and reload browser then bring it back to text javascript   I don t know but for unknown reason this one works with me   I am searching and copy-pasting and I just accidentally undo what I am typing then boom kablooey it worked 0 O  by the way I am just noob   sorry I just thought it could help though

User · Answer

I too got this error  when developing a Backbone application using HTML5 push state in conjunction with an  htaccess which redirects any unknown files to index html   It turns out that when visiting a URL such as  something 5  my  index html was effectively being served at  something index html  thanks to my  htaccess   This had the effect of breaking all the relative URLs to my JavaScript files  from inside the index html    which meant that they should have 404 d on me   However  again due to my htaccess  instead of 404 ing when attempting to retrieve the JS files  they instead returned my index html  Thus the browser was given an index html for every JavaScript file it tried to pull in  and when it evaluated the HTML as if it were JavaScript  it returned a JS error due to the leading  lt   from my  tag in index html    The fix in my case  as I was serving the site from inside a subdirectory  was to add a base tag in my html head    lt base href   my-app   gt

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If you face this issue only in Chrome and in IE  for instance  everything is fine  then just enable checkbutton  Disable cache  in Dev Tools  F12 -   Network  tab  and clear history in the last hour   I had this problem and above solution worked for me

User · Answer

After trying several solutions  this worked for me    Go to IIS Manager Open the Site Click on Authentication Edit Anonymous Authentication  Select  Application pool identity    example

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I had the exact same symptom  and this was my problem  very tricky to track down  so I hope it helps someone    I was using JQuery parseJSON   and the content I was attempting to parse was actually not JSON  but an error page that was being returned

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Typically this happens when you are trying to load a non-html resource  e g the jquery library script file as type text javascript  and the server  instead of returning the expected JS resource  returns HTML instead - typically a 404 page   The browser then attempts to parse the resource as JS  but since what was actually returned was an HTML page  the parsing fails with a syntax error  and since an HTML page will typically start with a  lt  character  this is the character that is highlighted in the syntax error exception

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It usually works when you change the directory name  where the file is  It worked for me when I moved it from  js   to     js

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I don t know whether you got the answer  I met this issue today  and I thought I got a possible right answer  you don t put the script file in a right location   Most people don t meet this issue because they put the scripts into their server directory directly  I meet this because I make a link of the source file  the html file  to the server root directory  I didn t link the script files  and I don t know how nginx find them  But they are not loaded correctly   After I linked all files to the server root directory  problem solved

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I got this error while using the web app with firebase  It was due to not including the desired libraries in the index html To fix this in the development environment  I added following line of code in the index html  lt script src  quot https   www gstatic com firebasejs 8 1 1 firebase js quot  gt  lt  script gt   Use the necessary libraries instead of importing all the js sdk when you are planning to deploy for production

User · Answer

This is a browser issue rather than a javascript or JQuery issue  it s attempting to interpret the angle bracket as an HTML tag   Try doing this when setting up your javascripts    lt script gt     lt   CDATA          insert teh codez       gt   lt  script gt    Alternatively  move your javascript to a separate file    Edit  Ahh   with that link I ve tracked it down  What I said was the issue wasn t the issue at all  this is the issue  stripped from the website    lt script type  text javascript        document  ready function             infobutton   click function                 music descrip   dialog  open                        music descrip   dialog               title    lt img src   images text text mario planet jukebox png  id  text mario planet jukebox   gt                autoOpen  false              height  375              width  500              modal  true              resizable  false              buttons                     Without Music   function                           this  dialog  close                          cookie  autoPlay    no     expires  365   10                                         With Music   function                           this  dialog  close                          cookie  autoPlay    yes     expires  365   10                                                             Can you spot the error  It s in the first line  the  lt script tag isn t closed  It should be   lt script type  text javascript  gt   My previous suggestion still stands  however  you should enclose intra-tagged scripts in a CDATA block  or move them to a separately linked file    That wasn t the issue here  but it would have shown the real issue faster

[jquery] Error: Uncaught SyntaxError: Unexpected token <

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