First lesson Ionic log output

写程序的首要问题就是要打印日志，因为只有将日志输出才能真正了解程序的运行状态.

There are two ways of logging output

1.console output

console.log("测试一下")console.error("SQL Error - ",error);

2.alert dialog box output

alert('测试一下');

How do I see the log?

We know how to output the logs, but how can the logs be found? In fact, it is simple to run the following commands directly.

1.运行ios模拟器ionic emulate ios -lc2.运行android模拟器ionic emulate android -lc3.网页运行ionic serve -lc

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First lesson Ionic log output