express framework code example
Example 1: express.js server
const express = require("express");
const app = express();
app.get("/", (req, res) => {
res.send("This is home page.");
});
app.post("/", (req, res) => {
res.send("This is home page with post request.");
});
const PORT = 3000;
app.listen(PORT, () => {
console.log(`Server is running on PORT: ${PORT}`);
});
Example 2: express hello world
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => res.send('Hello World!'))
app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`))
Example 3: express js server
const express = require('express');
const app = express();
const PORT = process.env.PORT || 3000;
app.get('/', (req, res) => {
res.send('<h1>Some HTML</h1>');
res.send('<p>Even more HTML</p>');
});
app.listen(PORT, () => console.log(`Server is listening on port ${PORT}`));
Example 4: node.js express
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => res.send('Hello World!'))
app.listen(port, () => console.log(`Example app listening at http://localhost:${port}`))
Example 5: node js express
basic server
const express =require('express');
const app = express();
const PORT = 5000;
app.get('/',(req,res)=>{
res.json({message: 'Welcome to the backend'})
})
app.listen(PORT ,()=>console.log(`Connected to ${PORT}`)
Example 6: express js
const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => {
res.send('Hello World!')
})
app.listen(port, () => {
console.log(`Example app listening at http://localhost:${port}`)
})