How to find the base64 image width and height

Question

How to find the base64 image width and height

<img id="thumb0" width="200" height="200" 
src="data:image/png;base64, ................">

Image property width and height are constant as i need to show them as thumb nail, but where as the original image properties are different.

I need to get the original image height and width.

Suppose my original image height and width are 750 X 500

I tried like this but getting the property width and height

$("#thumb0").width();

value is 200.

Please help how to get orginal width and height of the image.

Answer 1

You can build another image element and get its size :

var img = new Image();
img.src = $('#thumb0').attr('src');
var originalWidth = img.width;