promise笔记
摘要:
// promise 加载一个图片示例function loadImage(url){ new Promise(function(resolve, reject){ var img = new Image() img.onload = function(){ resolve(img) } img.o 阅读全文
posted @ 2017-07-23 21:32 daV_chen 阅读(184) 评论(0) 推荐(0)
posted @ 2017-07-23 21:32 daV_chen 阅读(184) 评论(0) 推荐(0)
posted @ 2017-07-23 21:30 daV_chen 阅读(4498) 评论(0) 推荐(0)