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This article mainly explains "will AngularJS surpass JQuery". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "will AngularJS surpass JQuery"?

When the DOM operation is secondary

JQuery focuses on DOM scanning and manipulation. A common example is to add and modify DOM elements through user actions, such as adding the results returned by AJAX to the existing DIV through pre-processed HTML. With AngularJS, however, the focus of development is on data presentation. With bidirectional data binding, data updates are done automatically without the need to delete and rebuild the DOM. Although DOM operations cannot be completely avoided, you only need to deal with fewer DOM operations with AngularJS than just using jQuery.

When focusing on efficiency

Although AngularJS is a bit difficult to learn, it is efficient for developers. Many of the features of AngularJS focus on improving developer productivity. For example, built-in extension support to support unit testing. Testing-focused features enable developers to focus on producing more robust and reliable code by simplifying unit testing. In addition, by decoupling DOM operations from program logic, developers can focus on "why" rather than "how to do it". Typically, this results in short but stable code that is easy to debug.

When using a descriptive interface

The problem often encountered in using jQuery is that it uses imperative programming, to put it more thoroughly, it tells the computer how to achieve the goal, and the result of this process is the result you want. Descriptive programming, on the other hand, tells the computer what you want and leaves it to decide how to do it. JavaScript is generally designed using an imperative approach, while the instructions that HTML- and AngularJS add to HTML are designed specifically for descriptive programming. If you use AngularJS for programming, you end up with descriptive programming, which is more in line with HTML's original design intent-to tell the computer what you want to display, and then the computer handles the details. If this programming method is adopted, the number of lines of code required to complete specific tasks will be greatly reduced, making the code more readable and easier to maintain.

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