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PORefactoring many jQuery Ajax calls - best practice?
 

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  1. PORefactoring many jQuery Ajax calls - best practice?
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    <p>I have a lot of JavaScript/ jQuery code blocks to handle asynchronous data processing in my page. Each code block has three functions (code is incomplete and for illustrative purpose only):</p> <ol> <li><p>encapsulates <code>$.ajax</code> call:</p> <pre><code>function doSomething(data){ // do some preprocessing $.ajax({}); // some JQuery Ajax operation that accepts data // do some postprocessing return false; }</code></pre></li> <li><p>handles the response:</p> <pre><code>function handleResponse(result){ // process the result return false; }</code></pre></li> <li><p>handles any error:</p> <pre><code>function handleError(XMLHttpRequest, textStatus, errorThrown){ // gracefully handle the Error and present relevant information to user return false; }</code></pre></li> </ol> <p>In a page that requires a lot of data processing I end up having a lot of these blocks which seems to be duplication, so I decided to do some refactoring. </p> <p>I figure there would be different ways to go about this. </p> <ol> <li>One could have one error handler that can be reused across Ajax calls (obvious).</li> <li>One could maybe reuse some response handlers, but this would be akward as responses are very different depending on call.</li> <li>Maybe create some kind of prototype object that provides base functionality and have a static method for error handling (can this be done in JavaScript?).</li> </ol> <p>I was just wondering if anyone has come across this and/or if there is a best practice solution for this? </p>
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    1. USPeter Mortensen
    1. USmartijn_himself
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      1. USMatthias Meid
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    1. COIt would be helpful to see some code.
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      1. USÓlafur Waage
 

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