alloyfinger/asset/image_loaded.js

super tiny size multi-touch gestures library for the web.

function imageLoaded(selector,onload){
    var img=new Image() ;
    var dom=document.querySelector(selector);
    img.onload=function(){
        //real_width,real_height
        onload.call(dom,this.width,this.height);
        img.onload=null;
        img=null;
    };
    img.src=dom.getAttribute("src");
}