fileapi

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HTML5 File API always returns DataURI of [object file]. What am I doing wrong?

Today I have been attempting to make a thumbnail up loader which uses drag and drop and the file API.[详细]

2023-04-02 11:51 分类：问答
file input size issue in safari for multiple file selection

I am experiencing inconsistencies with regard to multiple file upload in Safari 5.1 on Windows Vista (haven开发者_如何学JAVA\'t tried other platforms).The input element has the multiple flag to allow[详细]

2023-03-31 17:38 分类：问答
Understanding Object URLS for client-side files and how to free the memory

I am using createObjectURL to get a reference URLto a local image file.When I am done with the file/image, I call revokeObjectURL to free that memory.Everything works fine for me but I just 开发者_开发[详细]

2023-03-30 19:25 分类：问答
Google chrome extension - howto access and store local files for later use

I\'m currently writ开发者_StackOverflowing my first google chrome extension. Simplified, I want to add a file browser in the extensions popup, browser an image and insert that image in the currently o[详细]

2023-03-30 09:09 分类：问答
Using HTML5 File API to upload Photos via Facebook Graph API

I\'m trying to make a photo organizing Facebook application without using server-side process. Now I can preview photos by using FileReader object\'s readAsDataURL method, such as...[详细]

2023-03-28 02:38 分类：问答
How to convert dataURL to file object in javascript?

I need to convert a dataURL to a File object in Javascript in order to send it over using AJAX. Is it possible? If y开发者_Python百科es, please tell me how.If you need to send it over ajax, then there[详细]

2023-03-23 03:42 分类：问答
Resumable uploads using HTML5 File Upload API -

I want to implement resumable uploads with Html5, and everything seems to work, except identifying that the file to be uploaded is the same one already pa开发者_StackOverflowrtially uploaded. Ideally,[详细]

2023-03-23 02:48 分类：问答
How to use HTML5 File API with Unobtrusive JavaScript?

I would like to use the HTML5 File API with unobtrusive JavaScript. But I can only get it working by开发者_Go百科 calling JavaScript functions from the HTML. Is there any way to use the File API with[详细]

2023-03-21 18:58 分类：问答
JS function returns null - help

I am trying to modify the example http://www.html5rocks.com/en/tutorials/file/dndfiles/#toc-reading-files to make function handleFileSelect(evt)return reader.result; I mean to make function return bas[详细]

2023-03-19 12:41 分类：问答
Do browsers always keep an image file in memory?

I\'m using File API to draw local image files on canvas after user drop them on the page. It works fine in Firefox 5 and Google Chrome. The problem is after I drop 500 Mb image files the browser memor[详细]

2023-03-18 19:10 分类：问答