Mac OS (10.13.6) installed Node.js
- Download the installation package
Download:https://nodejs.org/en/
- installation
pkg double-clicking the file, the next, the installation is complete
- Verify that the installation was successful
Terminal opened, the input node -v, and then return, then enter npm -v, Enter
if the version information is returned, it indicates that the installation was successful
- The first project helloworld node.js
New helloworld.js file finder in the user directory, the following code tie
const http = require('http');
const hostname = '127.0.0.1';
const port = 1337;
http.createServer((req, res) => {
res.writeHead(200, { 'Content-Type': 'text/plain' });
res.end('Hello World\n');
}).listen(port, hostname, () => {
console.log(`Server running at http://${hostname}:${port}/`);
});
save, open Terminal, to start using the service node helloworld.js
your browser to http://127.0.0.1:1337
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