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javascript Programming Glossary: filereader

Authorization of Google Drive using JavaScript

http://stackoverflow.com/questions/10330992/authorization-of-google-drive-using-javascript

boundary r n const close_delim r n boundary var reader new FileReader reader.readAsBinaryString fileData reader.onload function e..

HTML5 Canvas drawImage ratio bug iOS

http://stackoverflow.com/questions/11929099/html5-canvas-drawimage-ratio-bug-ios

function e var file e.currentTarget.files 0 var reader new FileReader reader.onload function e var image ' img ' image.on 'load' function..

Which browsers support <script async=“async” />?

http://stackoverflow.com/questions/1834077/which-browsers-support-script-async-async

How to determine presence of HTML5 drag'n'drop file upload API (like the one from FF3.6)

http://stackoverflow.com/questions/2311887/how-to-determine-presence-of-html5-dragndrop-file-upload-api-like-the-one-fro

works for now is checking whether the browser provides a FileReader class like this if typeof FileReader undefined #dropbox .hide.. browser provides a FileReader class like this if typeof FileReader undefined #dropbox .hide else connect events #filebox .hide..

Drag-and-drop file upload in Google Chrome/Chromium and Safari?

http://stackoverflow.com/questions/2657653/drag-and-drop-file-upload-in-google-chrome-chromium-and-safari

javascript drag and drop upload All of these guides use FileReader or the Firefox 3.6's deprecated getAsBinary which no other browser.. in Chromium as well as Firefox and Chromium does not have FileReader . I'm using the latest Chromium nightly and it can drag drop.. and it can drag drop upload files while not supporting FileReader . I've seen someone mention that drag drop uploading can be..

Get Image dimensions using Javascript during file upload

http://stackoverflow.com/questions/2865017/get-image-dimensions-using-javascript-during-file-upload

API from the W3C using the readAsDataURL function on the FileReader interface and assigning the data URL to the src of an img after.. supports the File API which is easy if typeof window.FileReader 'function' . If it does great read the data locally and insert.. function loadImage var input file fr img if typeof window.FileReader 'function' write The file API isn't supported on this browser..

javascript file upload size validation

http://stackoverflow.com/questions/3717793/javascript-file-upload-size-validation

function showFileSize var input file Can't use `typeof FileReader function ` because apparently it comes back as object on some.. some browsers. So just see if it's there at all. if window.FileReader bodyAppend p The file API isn't supported on this browser yet...

Using HTML5 file uploads with AJAX and jQuery

http://stackoverflow.com/questions/4006520/using-html5-file-uploads-with-ajax-and-jquery

this question It's not too hard. Firstly take a look at FileReader Interface . So when the form is submitted catch the submission.. 'fileBox' .files 0 Files 0 1st file var reader new FileReader reader.readAsText file 'UTF 8' reader.onload shipOff reader.onloadstart..

Client Checking file size using HTML5?

http://stackoverflow.com/questions/4112575/client-checking-file-size-using-html5

in latest versions of Webkit Gecko browsers if typeof FileReader undefined var size document.getElementById 'myfile' .files 0..

Preview an image before it is uploaded

http://stackoverflow.com/questions/4459379/preview-an-image-before-it-is-uploaded

readURL input if input.files input.files 0 var reader new FileReader reader.onload function e '#blah' .attr 'src' e.target.result..

How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?

http://stackoverflow.com/questions/6333814/how-does-the-paste-image-from-clipboard-functionality-work-in-gmail-and-google-c

on them to get a Blob. Once you have a Blob you can use FileReader on it to see what's in it. This is how you can get a data url.. the mime types var blob items 0 .getAsFile var reader new FileReader reader.onload function event console.log event.target.result..

Reading file contents on the client-side in javascript in various browsers

http://stackoverflow.com/questions/750032/reading-file-contents-on-the-client-side-in-javascript-in-various-browsers

fileForUpload .files 0 if file var reader new FileReader reader.readAsText file UTF 8 reader.onload function evt document.getElementById..

How to calculate md5 hash of a file using javascript

http://stackoverflow.com/questions/768268/how-to-calculate-md5-hash-of-a-file-using-javascript

here's how the major browsers stack up FF 3.6 supports FileReader FF4 supports even more file based functionality Chrome has supported..