Javascript external files, call function, undefined

Question

Why do I get "undefined is not a function. The problem occurs when I want to create the Player variable in the main function. Everything worked before I used the onload function and the init WebGL and function main, didn't exist. Their content was just written in a script in the html file. So there is no problem with the creation of the new Player in the external file. Somehow the function just does not exist.

Here is a part of my html file

<head>
    <script src="player.js" type="text/javascript"> </script>
    <script src="main.js" type="text/javascript"></script>
</head>
<body onload="initWebGL()">
    <canvas id="canvas" width="800" height="600"> </canvas>
</body>

my main.js

function initWebGL() {
     //...... 
    main();

   }

function main() {


    // Player
    var Player = new Player();
  //.....

Could you check where undefined is not a function is from? (which line?) — Tan Nguyen
– Tan Nguyen, Commented Feb 11, 2014 at 17:52
the undefined is not a function occurs when i call var Player new Player(); If I unccoment this, I just get the same error one line later where i call var Camera = new Camera() which is defined in camera.js, which is not visible in the example above. — Pris0n
– Pris0n, Commented Feb 11, 2014 at 17:54

Shryme · Accepted Answer · 2014-02-11 18:02:53Z

1

It's giving you this error because you named your variable with an upercase, wich is the exact same name as your object Player, try changing your line:

var Player = new Player();

to

var player = new Player();

Look at this fiddle to see it in action, the wrong button log your error in the console while the right button works !

Edit: in your comments, you talked about the same error with var Camera = new Camera(); Just change it to var camera = new Camera(); and your problem should be gone, don't forget to change your code accordingly.

answered Feb 11, 2014 at 18:02

Shryme

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