is online on nodejs by ping hosts: tmall.com, baidu.com, qq.com, taobao.com
offline to online on nodejs
api
isOnline
'use strict';varq=require('qiao-is-online');vartest=asyncfunction(){try{varisOnline=awaitq.isOnline();console.log(isOnline);// strict mode, all hosts alive return onlinevarisOnlineStrictMode=awaitq.isOnline(true);console.log(isOnlineStrictMode);}catch(e){console.log(e);}};test();
offline to online on nodejs
'use strict';varq=require('qiao-is-online');// callback// time, interval time, default is 3*1000msq.offlineToOnline(function(){console.log('offline-to-online');},3*1000);