Managing .js file dependencies

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icogs - 30 Dec 2007 13:06 GMT

I am fairly new to Javascript, coming from a Java & C/C++ background
so the possibility of a fundamental misunderstanding on my part cannot
be ruled out :-(

Lets say a friend sends me some really useful javascript code in
useful.js. I want to call some of this code in my own code in
myproject.js, making source in this file depenent on useful.js. Do I
need to have <script ..> tags for both files or can I add something to
myproject.js which will manage this dependency for me?

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Thomas 'PointedEars' Lahn - 30 Dec 2007 13:48 GMT

> Lets say a friend sends me some really useful javascript code in
> useful.js. I want to call some of this code in my own code in
> myproject.js, making source in this file depenent on useful.js. Do I
> need to have <script ..> tags for both files

You better have two `script' _elements_ for both _resources_.

> or can I add something to myproject.js which will manage this
> dependency for me?

There are dirty DOM hacks but as dirty hacks go they are unreliable.

PointedEars

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var bugRiddenCrashPronePieceOfJunk = (
navigator.userAgent.indexOf('MSIE 5') != -1
&& navigator.userAgent.indexOf('Mac') != -1
) // Plone, register_function.js:16

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Webmaster Forum / HTML, CSS, Scripts / JavaScript / December 2007

Managing .js file dependencies