const express = require('express');
const app = express();
app.get('/', function (req, res) {
res.send('Hello World!');
});
app.listen(3000, function () {
console.log('Example app listening on port 3000!');
});
const express = require('express');
const app = express();
app.get('/', function (req, res) {
res.send('Hello World!');
});
app.listen(3000, function () {
console.log('Example app listening on port 3000!');
});
let x = 10;
function foo() {
let x = 20;
console.log(x);
}
foo();
console.log(x);
let arr = [1, 2, 3, 4, 5];
let sum = arr.reduce((a, b) => a + b, 0);
console.log(sum);
const promise1 = new Promise((resolve, reject) => {
setTimeout(resolve, 500, 'one');
});
const promise2 = new Promise((resolve, reject) => {
setTimeout(resolve, 100, 'two');
});
Promise.race([promise1, promise2]).then((value) => {
console.log(value);
});
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