Individualreview_ipynb_2_ • 2 min read

fetch('http://localhost:8531/api/weather/' + location)
                .then(response => response.json())
                .then(data => {
                    let imageFetchUrl = 'http://localhost:8531/api/cityimage/' + location;
                    fetch(imageFetchUrl)
                        .then(response => response.json())
                        .then(imageData => {
                            let imageUrl = imageData.image_url; // Assuming the URL is stored in a field named 'url'
                            console.log("IMAGE_URL===="+ imageUrl)
                            var image = document.getElementById('weatherIcon')
                            image.src = data["current"]["weatherIcon_url"]

In a web application, the connection between the backend and frontend when fetching an API involves a crucial data exchange process. The frontend, which is the user interface presented in a web browser, initiates the request to the backend, typically using JavaScript and the fetch API. This request is sent to the backend server, which hosts the application’s business logic and database interactions. The backend processes the request, often by querying databases or interacting with other services, and then formulates an appropriate response, typically in a structured data format like JSON. This response is sent back to the frontend, where it is received and parsed. The frontend can then utilize this data to dynamically update the user interface, providing real-time information or rendering elements like images, text, or interactive components.