function preload(imgs, callback, end) { var len = imgs.length; var loaded = 0; for (var i = 0; i < len; i++) {
(function(i) { var img = new Image();
img.onerror = img.onload = function() {
loaded++;
end ? loaded === len && callback(loaded, i) : callback(loaded, i)
};
img.src = imgs[i];
})(i);
}
}
寫h5圖片太多，想做預加載，能幫忙看看這個函數怎么調用嘛？
守著星空守著你
2018-08-01 09:10:29
