Get the real width and height of an image with JavaScript? (in Safari/Chrome)

Question

I am creating a jQuery plugin.

How do I get the real image width and height with Javascript in Safari?

The following works with Firefox 3, IE7 and Opera 9:

Answer 1

You can programmatically get the image and check the dimensions using Javascript without having to mess with the DOM at all.

var img = new Image();
img.onload = function() {
  console.log(this.width + 'x' + this.height);
}
img.src = 'http://www.google.com/intl/en_ALL/images/logo.gif';