image naturalWidth return zero

Question

image naturalWidth return zero... that's it, why ?

var newimage = new Image(); newimage.src = 'retouche-hr' + newlinkimage.substring(14,17) + '-a.jpg';  var width = newimage.naturalWidth; alert (width); 

HELP, i dont know why !

*** that path is good, the image show up !

Answer 1

I'd guess it's because you're not waiting for the image to load - try this:

var newimage = new Image(); newimage.src = 'retouche-hr' + newlinkimage.substring(14,17) + '-a.jpg';  newimage.onload = function() {     var width = this.naturalWidth;     alert(width); }