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Check file size for upload in supported browsers using HTML5 File API #450

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@niftylettuce

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@niftylettuce

This is a mix between jquery-validation and Modernizr, although we can port the Modernizr part out so Modernizr is not a dependency.

I'm wondering if you are open to having me add it to additional-plugins? It is a great feature :)

// Validate file input on changejQuery.validator.addMethod("filesize",function(value,element,param){// This requires Modernizr filereader community add-on:// <https://github.com/Modernizr/Modernizr/blob/master/feature-detects/file-api.js>varvalid=true;if(Modernizr.filereader){// Check if file size is valid// (e.g. value = "10485760" = 10mb)for(vari=0;i<element.files.length;i+=1){if(element.files[i].size>param)valid=false;}}returnthis.optional(element)||valid;},"File exceeds maximum upload size.");

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