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JavaScript The Module Pattern in JavaScript

Posted by Vadim Zelenin
Vadim Zelenin
13,045 Points

Followed examples don't work for me

When I'm trying to implement what Huston has written:

    !function(underscore){
    underscore.someawesomemethod = "Really cool";
    console.log(underscore.VERSION);
}(_);

I've got an error that tells me: "Uncaught ReferenceError: _ is not defined"

What do I do wrong?

4 Answers

LaVaughn Haynes
LaVaughn Haynes
12,397 Points
LaVaughn Haynes
LaVaughn Haynes
12,397 Points

make sure that you have the underscore library linked in your html

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>Test</title>
</head>
<body>

<!-- underscore linked below -->
<script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script>
<script>

!function(underscore){
    underscore.someawesomemethod = "Really cool";
    console.log(underscore.VERSION);
}(_);

</script>
</body>
</html>
Vadim Zelenin
Vadim Zelenin
13,045 Points

Oh I really missed it. Thank you

Michael Kellogg
Michael Kellogg
774 Points
Michael Kellogg
Michael Kellogg
774 Points

Would be good if in the video he would show doing this. Otherwise it just magically shows up and people following along have no idea.

David Eichel
David Eichel
28,860 Points
David Eichel
David Eichel
28,860 Points

This video is a trainwreck. He references libraries and things that have never been talked about before on the "full stack javascript" track. This needs to be split up into a few courses. It feels way too rushed.

sradms0
.a{fill-rule:evenodd;}techdegree seal-36
sradms0
Treehouse Project Reviewer

I just watched this....and yes, I feel the exact same way.

Brigette Eckert
Brigette Eckert
16,957 Points
Brigette Eckert
Brigette Eckert
16,957 Points

I've got in linked in index and still having the uncaught ref error issues for (_)

Unsubscribed User
Unsubscribed User
48,988 Points
Unsubscribed User
Unsubscribed User
48,988 Points

Worked perfect. Thanks