摘要: function cook(){ console.log('开始做饭。'); var p = new Promise(function(resolve, reject){ //做一些异步操作 setTimeout(function(){ console.log('做饭完毕!'); resolve(' 阅读全文
posted @ 2018-06-26 13:55 mrt_yy 阅读(105) 评论(0) 推荐(0) 编辑