Why Doesn't 3.5 Always Load An External JavaScript

Oct 10, 2010

I have an external JavaScript in an asp.net 3.5 project. While writing different functions, sometimes the JavaScript is loaded into FF and sometimes it is not (based on FireBug) and the JavaScript does not run.
Even if there is an error in the JS it should still load or be visible to the browser, right?

What is the logic behind when it is loaded and when it doesn't load (or is accessible to the browser?)

Master Page loads JS from a script directory in project:

[code]...

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