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JavaScript JavaScript Basics (Retired) Storing and Tracking Information with Variables Create a variable with a string

Posted by Tim McKyer
Tim McKyer
10,989 Points

What is wrong with my code ?

Use the document.write() function to print the contents of the player variable to the page.

app.js 
var player="Jasmine";
document.write('player');
index.html 
<!DOCTYPE HTML>
<html>
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <title>JavaScript Basics</title>
</head>
<body>
<script src="app.js"></script>
</body>
</html>
Paul Jackson
Paul Jackson
8,943 Points

You don't need quotes around the variable when you call it in document.write

Tim McKyer
Tim McKyer
10,989 Points

Double quotes ? around player in the doc.write() ?

5 Answers

William Li
PLUS
William Li
Courses Plus Student 26,868 Points
William Li
William Li
Courses Plus Student 26,868 Points

document.write('player');, just write the string 'player'; use document.write(player); will write the value of the variable.

Tim McKyer
Tim McKyer
10,989 Points

Thanks i wasn't too far off was I?

William Li
William Li
Courses Plus Student 26,868 Points
William Li
William Li
Courses Plus Student 26,868 Points

hah, nay, these concepts can be a bit confusing when you learn them for the first time.

Tim McKyer
Tim McKyer
10,989 Points

True thanks for the help mate

Paul Jackson
Paul Jackson
8,943 Points
Paul Jackson
Paul Jackson
8,943 Points

It should look like this:

var player = "Jasmine"

document.write(player);

You don't have to put quotes around a var you've created when calling it.

Paul Jackson
Paul Jackson
8,943 Points
Paul Jackson
Paul Jackson
8,943 Points

hahah nope... I've made that same mistake. Probably won't be the last time it happens too :)

Tim McKyer
Tim McKyer
10,989 Points

lol computers are unforgiving :(

Danielle Hill
Danielle Hill
26,062 Points
Danielle Hill
Danielle Hill
26,062 Points

Hi Timothy. Paul is right. When you include quotes, JavaScript interprets the text inside as a string, not a variable. Checkout the Storing and Tracking Information with Variables video around 1:22. You can see Dave store a variable and call it in document.write().

imtrying
imtrying
19,943 Points
imtrying
imtrying
19,943 Points

I was confused myself!! Thanks guys.