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I am using quite a bit of javascript in which it would be rather helpful if I could use global constants and a few methods that I use all over my web site.

Instead of having to copy and paste these into each js file, is there a way to include them?

like:

#include global.js

jsCode
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There are multiple techniques for module architecture

  • include multiple script tags and use namespaces to avoid global scope issues
  • use asynchronous file loaders like requireJS
  • use module packagers like modul8

The latter techniques are probably overkill, you probally want a

<script src="global.js" />

in your html master page.

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Hi, ok so if i include it in the html page, then i can reference a function inside the global.js from within another js file as long as it is included after the global.js?
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Unfortunately, there's no standard JavaScript way to include one JavaScript file into another JavaScript file (I believe this is one of those lovely JavaScript's peculiarities.)

But, before you start to choose work-around, note that it's often considered a good practice to merge JavaScript files all over the project into a single big file (in short, this technique reduces number of HTTP requests and improves performance, for more explanations and caveats see Merging multiple javascript files.)

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