how do i fetch in express js code example

Example 1: node js fetch

const fetch = require('node-fetch');	//npm install node-fetch

fetch('https://httpbin.org/post', {
  method: 'POST',
  body: 'a=1'
})
  .then(res => res.json())
  .then(json => {
	// Do something...
  })
  .catch(err => console.log(err));

Example 2: how to install node fetch

$ npm install node-fetch --save

Example 3: node js fetch data from url

var http = require('http');

var options = {
    host: 'google.com',
    path: '/'
}
var request = http.request(options, function (res) {
    var data = '';
    res.on('data', function (chunk) {
        data += chunk;
    });
    res.on('end', function () {
        console.log(data);

    });
});
request.on('error', function (e) {
    console.log(e.message);
});
request.end();