yambejp score 77999
2017/06/23 21:19 投稿
| こんな風になります。 |
| ```javascript |
| console.log("start"); |
| new Promise(function(resolve, reject){ |
| setTimeout(function(){console.log("last3min");return resolve(this);},2000); |
| }).then(function(){ |
| new Promise(function(resolve, reject) { |
| setTimeout(function(){console.log("last2min");return resolve(this);},2000); |
| }).then(function(){ |
| new Promise(function(resolve, reject) { |
| setTimeout(function(){console.log("last1min");return resolve(this);},2000); |
| }).then(function(){ |
| setTimeout(function(){console.log("end");},2000); |
| }); |
| }); |
| }); |
| ``` |
| ※ただし、これってsetIntervalでカウントダウンすればいいような気がしますが？ |
| ※ただし、これってsetIntervalでカウントダウンすればいいような気がしますが？ |
| # 引き継ぎ |
| ```javascript |
| console.log("start"); |
| var x=0; |
| new Promise(function(resolve, reject){ |
| setTimeout(function(arg){arg++;console.log("last3min:"+arg);return resolve(arg);},2000,x); |
| }).then(function(data){ |
| new Promise(function(resolve, reject) { |
| setTimeout(function(arg){arg++;console.log("last2min:"+arg);return resolve(arg);},2000,data); |
| }).then(function(data){ |
| new Promise(function(resolve, reject) { |
| setTimeout(function(arg){arg++;console.log("last1min:"+arg);return resolve(arg);},2000,data); |
| }).then(function(data){ |
| setTimeout(function(arg){arg++;console.log("end:"+arg);},2000,data); |
| }); |
| }); |
| }); |
| ``` |
