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POjquery validation against dynamic fields
 

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    <p>I'm using jQuery's validation plugin and looking to validate many dynamically added text fields such that their summation is checked against a separate <em>total</em> field. </p> <p>I've written my own validation methods in the past, but only simple ones that take on the basic regex structure that is easy to reproduce from the additional-methods.js file.</p> <p>Specifically, the jQuery website gives a simple example of using the <a href="http://docs.jquery.com/Plugins/Validation/Validator/addMethod" rel="nofollow noreferrer">addMethod() function</a> to do something quite similar:</p> <pre><code>jQuery.validator.addMethod("math", function(value, element, params) { return this.optional(element) || value == params[0] + params[1]; }, jQuery.format("Please enter the correct value for {0} + {1}")); </code></pre> <p>The implementation of the params parameter is more-or-less poorly documented. I was able to find how to pass content into params in <a href="https://stackoverflow.com/questions/1366858/jquery-validation-plugin-custom-method-multiple-parameters">a seperate stackoverflow thread</a>. However, the array passed into params in that example is static. The array I need to pass to params grows and shrinks based on dynamically added rows added at 'runtime'...</p> <p>I've uploaded a completely stripped down version <a href="http://jsfiddle.net/x7JQd/11/" rel="nofollow noreferrer">onto jsfiddle</a> for your viewing. <em>Note that the code has some comments embedded where I have questions, and also, I removed the Remove functionality, as it only adds clutter and doesn't help illustrate the point.</em></p> <p>So how can I use the jQuery validation library to ensure that dynamically added fields add to a specific total? Thank you in advance!</p>
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