AngularJS, often referred to as Angular 1, is a popular JavaScript framework that’s been around for quite some time. It’s a structural framework that helps you build dynamic applications with ease. It offers a set of tools and guidelines that make it easier to organize your code and build complex UIs. AngularJS is widely used across various industries due to its versatility. Common sectors include e-commerce, healthcare, finance, and education. These industries benefit from AngularJS’s ability to create dynamic web applications that require real-time data updates and interactive user interfaces, making it a popular choice for businesses looking to improve their online presence.