I use JS FileReader. I want to get result after file reading operation and work with this data. FileReader is asynchronous and I don't know when result is ready. How to get it done right?  $(document).ready(function(){     $('#file_input...
I am building an image resize/crop, and I'd like to show a live preview after they've edited it in a modal (bootstrap). This should work, I believe, but I just get 0 in console.log. This requires feeding the width and the height of the origin...
I try to convert a file that i get through an input file into a byte[]. I tried with a FileReader, but i must miss something :  var bytes = []; var reader = new FileReader(); reader.onload = function () {    bytes = reader.result; }; reader.readAsArr...
Is it possible to read files in AngularJS? I want to place the file into an HTML5 canvas to crop.  I was thinking of using a directive? This is the javascript code I want to put into my directive:  function readURL(input) {      if (input.files &...
I'm building a Chrome Packaged App. I want to put the script configuration if a config file in a resource directory and on startup want to read that by Javascript.  For example   Project   WebContent  index.html manifest.json main.js resource  co...
I want to fetch images from s3 and display them on my HTML page.  Angular HTML file:  <section data-ng-controller="myCtrl">     <img ng-src="{{src}}" width="200px" height="200px"> </section>   Angular...
I would like to read a file and convert it into a base64 encoded string using the FileReader object. Here's the code I use :        var reader = new FileReader();     reader.onloadend = function(evt) {           // file is loaded         result_b...
I've been setting up an import script for plain-text files in a web application.  My script is as follows:  function dataImport(files) {     confirm("Are you sure you want to import the selected file? This will overwrite any data that is curr...
Currently I use a pattern like the following to read the first 3 characters of a series of files:  var files = e.dataTransfer.files; for (var i = 0, f; f = files[i]; i++) {   var fr = new FileReader();   fr.onload = function(e) {      var first_three...
We are currently looking at porting a enterprise silverlight application over to html5. The major roadblock that we have hit is the ability to open files from the user's local disk. Currently they have a document library which just links to files...

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