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In Express JS, handling delete requests involves defining a route that handles HTTP DELETE method requests.

import express from "express"

const app = express();

const PORT = process.env.PORT || 5000;

const mockUsers = [
    { id: 1, name: 'Praveen', designation: 'Technical Architect', city: 'Hyderabad' },
    { id: 2, name: 'Prasad', designation: 'Technical Lead', city: 'Bangalore' },
    { id: 3, name: 'Anusha', designation: 'Lead Developer', city: 'Chennai' },
    { id: 4, name: 'Ravi', designation: 'Developer', city: 'Hyderabad' },
    { id: 5, name: 'Kiran', designation: 'Technical Lead', city: 'Hyderabad' },
];

// Middleware to parse JSON bodies
app.use(express.json());


// Route to delete a user
app.delete('/api/v1_0/users/:id', (req, res) => {
    const userId = parseInt(req.params.id);
    const userIndex = mockUsers.findIndex(user => user.id === userId);
    if (userIndex !== -1) {
        mockUsers.splice(userIndex, 1);
        res.status(204).send(); // No Content
    } else {
        res.status(404).send('User not found');
    }
});

app.listen(PORT, () => console.log(`Running on Port ${PORT}`));

Now lets delete an user using Postman.

Now lets fetch the users.