Section Intro: Accessing API from Browser

The video tutorial explains how to integrate two separate applications: one that converts an address into a weather forecast and another that renders a web application. It covers how to enable communication between the web application and a Node.js server to fetch necessary data. The tutorial also guides on creating an HTTP JSON endpoint using Express and how to interact with it from the browser, allowing the weather application to fetch and display weather data effectively.

What technology will you learn to create an HTTP JSON endpoint?

What is the main function of the weather application as described in the text?