Bad idea to leave “console.log()” calls in your production JavaScript code?

Question

I have a bunch of console.log() calls in my JavaScript.

Should I comment them out before I deploy to production?

I\'d like to just leave them th

Answer 1

It will cause Javascript errors, terminating the execution of the block of Javascript containing the error.

You could, however, define a dummy function that's a no-op when Firebug is not active:

if(typeof console === "undefined") {
    console = { log: function() { } };
}

If you use any methods other than log, you would need to stub out those as well.