Unknown location of SyntaxError: 'Unexpected end of input' Javascript

Question

In the past week, I've trying to debug a calendar-view widget and I've come across an error that has left me scratching my head for a few days now.

Here's the gist of what the problem:

Every time I click any clickable object in the view, the browser's console give's me this error:

Uncaught SyntaxError: Unexpected end of input VM131:1

Picture of the console's output:

picture of the console's output

When I click on the location the browser list as the source of the error (the VM###:1), I get redirected to a file whose only contents is 'void' on its very first line.

What could be the source of this error?

Update:

I neglected to add a link to somewhere the error could be seen so here's a link to a site that tries to utilize the calendar widget:

http://juanmoo.scripts.mit.edu/timegrid/src/webapp/site/

here's a picture of a cat it doesn't help your problem, but it's cute - you've posted the error in the question, a picture of said error is not required What could be the source of this error? - your code could be the source of the error, but we can't tell — Jaromanda X
– Jaromanda X, Commented Aug 14, 2017 at 23:38
It is indeed a cute cat although I've seen better. I didn't post a picture of the code earlier because the project is somewhat large and I'm not sure where the error could have originated. Here's a link to a copy of a site that tries to use the widget: juanmoo.scripts.mit.edu/timegrid/src/webapp/site. The error appears after any button in the calendar widget is clicked. — Juanmoo
– Juanmoo, Commented Aug 14, 2017 at 23:52
VMxxx means that the error is in code that's being loaded dynamically, such as with eval(). — Barmar
– Barmar, Commented Aug 15, 2017 at 0:00

Barmar · Accepted Answer · 2017-08-15 00:07:50Z

1

It's coming from lines like these:

<a href="javascript:void">Month</a>

and

<a href="javascript:void">Week</a>

void is not a complete Javascript statement. void is an operator, it has a required operand. So for this to be correct it should be:

<a href="javascript:void 0">Month</a>

and

<a href="javascript:void 0">Week</a>

See What does "javascript:void(0)" mean?

answered Aug 15, 2017 at 0:07

Barmar

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2 Comments

Juanmoo Over a year ago

Thank you so much! I'll definitely look into it. If I could ask one more question how did you see where the error was coming from?

Barmar Over a year ago

I saw that the error happened when I clicked on the Month and Week tabs. I looked at the element and saw the void there. That matched what VMxxx was showing when clicking on the error.

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