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    <p>A few things that spring to mind:</p> <p><strong>Code Separation</strong></p> <p>Although embedded JavaScript within an HTML page is widespread, many consider the practice of code separation to be good. In this respect I am referring to the placement of the JavaScript in a separate file. This is part of a broader concept known as <a href="http://en.wikipedia.org/wiki/Unobtrusive_JavaScript" rel="nofollow noreferrer">Unobtrusive JavaScript</a></p> <p>As web developers, we are required to know many different technologies, e.g. some of:</p> <ul> <li>Server Script (PHP, ASP, Ruby, etc)</li> <li>JavaScript (and framework)</li> <li>XML</li> <li>HTML</li> <li>XSLT, XPATH</li> <li>CSS</li> <li>SQL</li> </ul> <p>Imaging a code file that contained all of these! It would be chaotic!</p> <p>Outputting JavaScript from the server precludes the separation of JavaScript into a separate file. If we separate these out then our code becomes more modular, reusable, readable and testable, which leads me to...</p> <p><strong>Unit testing</strong></p> <p>You may not personally be using a unit testing framework, however the modularisation of JavaScript is essential for creating independant testable (and reusable-testable) modules.</p> <p>Script that is output on the server is not modularised, but more importantly is not static, so is difficult to fit into any unit testing framework.</p> <p><strong><a href="http://en.wikipedia.org/wiki/Tag_soup" rel="nofollow noreferrer">Tag Soup</a></strong></p> <p>Although it is possible to code against this, mixing of client and server script has a tendency to produce <a href="http://en.wikipedia.org/wiki/Tag_soup" rel="nofollow noreferrer">tag soup</a>, making it hard to read and maintain.</p> <p><strong>Debugging</strong></p> <p>I'm not sure what IDE you are using, but mine allows me to step through the JavaScript that I have written. Outputting it from the server mean's I can't do this.</p>
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    1. POWhat are the main concerns when generating client-side JavaScript from the server?
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    1. USJames Wiseman
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    1. COHello and thanks for your response. I too am surprised that the question did not illicit more responses. I appreciate your considerations and in general agree. However, I can't see how to achieve my end goal without some server-generated javascript. I've yet to implement this though, so I'm going to try to make may js files dynamic enough to deal with 1..* form fields of unknown types (again, my app is basically a "form builder"). We'll see just how "unobtrusive" I can make it ;)
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