node自学过程记录

process.on('exit', function (code) {/*程序即将退出时执行某个回调函数*/

    console.log('about to exit with code: ' + code);

});

process.nextTick(function () {/*将在下一轮事件循环中调用*/ 

    console.log('nextTick callback!');

});

console.log('nextTick was set!');/*优先执行*/ 

 

Debugger listening on port 45724

nextTick was set!
nextTick callback!
about to exit with code: 0