SyntaxError missing before statement

Question

I am getting this error    SyntaxError  missing   before statement   Why would I get that from this code  How can I get around this    var  this      input    foob name    this attr  name   replace      d       function  0   1       return          1   1

User · Accepted Answer

Looks like you have an extra parenthesis.

The following portion is parsed as an assignment so the interpreter/compiler will look for a semi-colon or attempt to insert one if certain conditions are met.

foob_name = $this.attr('name').replace(/\[(\d+)\]/, function($0, $1) {
   return '[' + (+$1 + 1) + ']';
})

User · Answer

Or you might have something like this  redeclaring a variable    var data       var data

User · Answer

I got this error  hope this will help someone   const firstName    Joe   const lastName    Blogs   const wholeName   firstName       lastName          The problem was that I was missing a plus     between the empty space and lastName  This is a super simplified example  I was concatenating about 9 different parts so it was hard to spot the error   Summa summarum  if you get  SyntaxError  missing   before statement   don t look at what  is wrong with the the semicolon     symbols in your code  look for an error in syntax on that line

User · Answer

too many   parenthesis remove one of them

[javascript] SyntaxError: missing ; before statement

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