看了下源码:
LoadingItems.create = function (pipeline, urlList, onProgress, onComplete) {
if (onProgress === undefined) {
if (typeof urlList === 'function') {
onComplete = urlList; //此处将进度函数换成了全部完成才调用了
urlList = onProgress = null; //清空了进度函数
}
}
请问下现在该怎么去监控加载进度呢?