Chrome Uncaught Syntax Error Unexpected Token ILLEGAL

Question

Receiving the subject error when Chrome tries to load the script file on the page  It says it s at the last line of the javascript file  I can t seem to find anything wrong with it  No errors in firefox  and the script works as expected  Just using form validation     JavaScript Document   function           wm-form   submit function         var errors   false      var errorMsg               required   each function           if  validField   this              errorMsg      this  attr  name   capitalize       cannot be blank n           errors   true                      var emailAddress       email        if isValid emailAddress   amp  amp         a-zA-Z0-9  -        a-zA-Z0-9  -         a-zA-Z  2 5   1 25           a-zA-Z0-9  -        a-zA-Z0-9  -         a-zA-Z  2 5   1 25        test emailAddress val              errorMsg     Not a valid email address  Please enter in a correctly formatted email address         errors   true            if errors          alert errorMsg         return false                     form-focus   click function           document  scrollTop 0           first name   focus        return false             function validField element      if  isValid element val        element attr  placeholder    amp  amp  element attr  placeholder      element val             element attr  type       radio   amp  amp   checkedRadio element          return false        else       return true         function isValid ele      if ele    null    ele              return false        else       return true         String prototype capitalize   function         return this charAt 0  toUpperCase     this slice 1       function checkedRadio  element      var valid   false       input name     element attr  name        checked   each function         valid   true           return valid

User · Answer

I get the same error in Chrome after pasting code copied from jsfiddle.

If you select all the code from a panel in jsfiddle and paste it into the free text editor Notepad++, you should be able to see the problem character as a question mark "?" at the very end of your code. Delete this question mark, then copy and paste the code from Notepad++ and the problem will be gone.

User · Answer

I had the same error in Chrome  The Chrome console told me that the error was in the 1st line of the HTML file   It was actually in the  js file  So watch out for setValidNou 1060    this  val    0    error types

User · Answer

There s some sort of bogus character at the end of that source   Try deleting the last line and adding it back   I can t figure out exactly what s there  yet      edit  mdash  I think it s a zero-width space  Unicode 200B   Seems pretty weird and I can t be sure of course that it s not a Stackoverflow artifact  but when I copy paste that last function including the complete last line into the Chrome console  I get your error   A notorious source of such characters are websites like jsfiddle   I m not saying that there s anything wrong with them  mdash  it s just a side-effect of something  maybe the use of content-editable input widgets   If you suspect you ve got a case of this ailment  and you re on MacOS or Linux Unix  the od command line tool can show you  albeit in a fairly ugly way  the numeric values in the characters of the source code file  Some IDEs and editors can show  funny  characters as well  Note that such characters aren t always a problem  It s perfectly OK  in most reasonable programming languages  anyway  for there to be embedded Unicode characters in string constants  for example  The problems start happening when the language parser encounters the characters when it doesn t expect them

User · Answer

I had the same error when multiline string included new line   n  characters  Merging all lines into one  thus removing all new line characters  and sending it to a browser used to solve  But was very inconvenient to code   Often could not understand why this was an issue in Chrome until I came across to a statement which said that the current version of JavaScript engine in Chrome doesn t support multiline strings which are wrapped in single quotes and have new line   n  characters in them  To make it work  multiline string need to be wrapped in double quotes  Changing my code to this  resolved this issue   I will try to find a reference to a standard or Chrome doc which proves this  Until then  try this solution and see if works for you as well

[javascript] Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL

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