This is giving me "4: Uncaught SyntaxError: Unexpected token ILLEGAL":

(function() {
    var select = document.getElementById('select-card');

    ​select.onchange = function() { };
})();

What should I be doing differently?

This is giving me "4: Uncaught SyntaxError: Unexpected token ILLEGAL":

(function() {
    var select = document.getElementById('select-card');

    ​select.onchange = function() { };
})();

What should I be doing differently?

• javascript

Share Improve this question Follow asked Feb 19, 2015 at 17:28 RichardRichard 65.7k135135 gold badges356356 silver badges571571 bronze badges 2

• Maybe the select keyword is bugging. It's on the window object. – Mouser Commented Feb 19, 2015 at 17:30
• 2 Actually that's not it, you have a non-printing character in front of select. See a red dot at jsFiddle. – Teemu Commented Feb 19, 2015 at 17:36

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3 Answers 3

Sorted by: Reset to default 6

I expect that you have an element with id select-card. Your code is otherwise fine.

But you should be using.

select.addEventListener("change", function(){  } );

Edit the code to this: select.onchange = (function() { }); Whenever you're doing a function expression and calling it immediately, you need those parens because there's a parsing ambiguity otherwise.

I couldn't wrap my head around this. The code is correct however is was bugging still. Found it, it appeared when I converted my test page from UTF8 to ANSI:

There is a incorrect return/character in your code. That is causing the bug.