js代码

<script type='text/javascript' src='js/lodash.js'></script>
<script type='text/javascript' src='js/TweenMax.min.js'></script>
<script type='text/javascript' src='js/DrawSVGPlugin.js'></script>
<script type='text/javascript' src='js/namespaces.js'></script>
<script type="text/javascript">
function preload_images(images, functions) {
    if(typeof functions === 'undefined') functions = {};
    var loaded = 0;
    for(var i=0; i<images.length; i++) {
        ////console.log('preload '+images[i]);
        var img = new Image();
        img.onload = img.onerror = function() {
            ////console.log(img.src + ' loaded');
            var onImgParams = {
                //img : img,
                //index : i,
                loadedPct : (loaded / images.length)
            };
            if( _.isFunction(functions.onImgLoad) ) functions.onImgLoad(onImgParams);

            loaded++;
            if(loaded >= images.length && _.isFunction(functions.onAllImgsLoaded)) {
                ////console.log('all imgs loaded');
                functions.onAllImgsLoaded()
            }
        };
        img.src = images[i];
    }// endfor
}// preload_images()
</script>