Get height and width dimensions from base64 PNG

Question

I have this

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAOcAAABnCAYAAAD7RFX4AAAACXBIWXMAAAsTAAALEwEAmpwYAAAKT2lDQ1BQaG90b3Nob3AgSUNDIHByb2ZpbGUAAHjanVNnVFP         


        

Answer 1

LIVE DEMO

var imgData = 'data:image/png;base64,iVBORw0.........';    
var img = new Image();       
img.onload = function(){
  alert(img.width +' '+ img.height );
};
img.src = imgData;