Blob.size
The Blob.size
property returns the size in bytes of the Blob
or a File
.
Syntax
JavaScript
Copy Code
var sizeInBytes = blob.size
Value
A number.
Example
JavaScript
Copy Code
// fileInput is a HTMLInputElement: <input type="file" multiple id="myfileinput"> var fileInput = document.getElementById("myfileinput"); // files is a FileList object (simliar to NodeList) var files = fileInput.files; for (var i = 0; i < files.length; i++) { console.log(files[i].name + " has a size of " + files[i].size + " Bytes"); }
Specifications
Specification | Status | Comment |
---|---|---|
File API The definition of 'size' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
---|---|---|---|---|---|
File.size | 5 | 4.0 (2) | 10.0 | 11.10 | 5.1 |
Feature | Android | Firefox Mobile (Gecko) | IE Phone | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|
File.size | No support | No support | No support | No support | No support |
See also
License
© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/blob/size