JavaScript library that manages file uploads using html5 drag and drop and file API's.
JavaScript C# HTML CSS ASP
Latest commit 4f6a2e7 Dec 9, 2015 @tkirda tkirda Merge pull request #11 from bigdb/thomaswelton-patch-1
Set Accept Headers for JSON responses
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HTML5 AJAX File Uploader Module

This module abstracts HTML5 file and drag and drop API and manages file upload process

  • Free, open source (MIT license)
  • Pure JavaScript - works with any web framework
  • Small & lightweight
  • No dependencies

Samples on how to use module and create custom user interface for file uploads are available.



    // URL that handles uploaded files
    uploadUrl: '/file/upload',

    // HTML element on which files should be dropped (optional)
    dropContainer: document.getElementById('dragndropimage'),

    // HTML file input element that allows to select files (optional)
    inputField: document.getElementById('upload-input'),

    // Key for the file data (optional, default: 'file')
    key: 'File',

    // Additional data submitted with file (optional)
    data: { ProjectId: 1, ProjectName: 'Demo' },

    // Maximum number of simultaneous uploads
    // Other uploads will be added to uploads queue (optional)
    maxSimultaneousUploads: 2,

    // Callback for each dropped or selected file
    // It receives one argument, add callbacks 
    // by passing events map object: file.on({ ... })
    onFileAdded: function (file) {

        var fileModel = new models.FileViewModel(file);

            // Called after received response from the server
            onCompleted: function (response) {
            // Called during upload progress, first parameter
            // is decimal value from 0 to 100.
            onProgress: function (progress, fileSize, uploadedBytes) {
                fileModel.uploadProgress(parseInt(progress, 10));


IE10+, Firefox 15+, Chrome 22+, Safari 6+, Opera 12+


Tomas Kirda / @tkirda