03 2019 档案

promise
摘要：function runAsync1() { var p = new Promise(function(resolve, reject) { //做一些异步操作 try{ //new Array(-1) resolve('随便什么数据1'); }catch(e){ reject('yichang') 阅读全文
posted @ 2019-03-12 15:45 jentary 阅读(137) 评论(0) 推荐(0)