As mentioned above, the command line of NodeJS and the "Hello, World" of the Web version are mentioned ". The command line directly executes the hello. js file, and the requirehttp module is required for the Web version. The http module is provided by NodeJS itself. We know that each module corresponds to a js file. This article describes the simplest module hello. and then in another js file (main. js.
Hello. js
The Code is as follows:
Function hello (name ){
Console. log ('hello, '+ name );
}
Exports. hello = hello;
Main. js
The Code is as follows:
Var h = require ('./hello ');
H. hello ('snandy ');
Convention: hello. js and main. js are in the same directory, for example, the node directory.
Open the command line, enter the node directory, and execute the command
The Code is as follows:
Node main. js
The command line output is: hello, snandy.
Note:
In main. js, The require parameter cannot be "hello". You must add "./" to the front "./".
