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cimm/image_width.js

Created February 2, 2015 19:48
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Get the image width in client side JavaScript
Raw
image_width.js
var file = ... // a File web API interface: https://developer.mozilla.org/en-US/docs/Web/API/File
img = new Image();
img.src = URL.createObjectURL(file);
img.onload = function() {
alert(this.naturalWidth);
};
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