Node.js中類似 crontab 的定時任務模塊：node-schedule

node-schedule 是 Node.js 上一個類似 crontab 的定時任務模塊。它可以讓你在特定的日期安排執行工作（任意函數），帶有可選的循環規則。

var schedule = require('node-schedule');

var j = schedule.scheduleJob('42 * * * *', function(){
    console.log('The answer to life, the universe, and everything!');
});

And:

var j = schedule.scheduleJob('0 17 ? * 0,4-6', function(){
    console.log('Today is recognized by Rebecca Black!');
});

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