别再卷前端 UI 了！未来万亿级用户的产品，根本没有界面

User Interface (UI) is anything that facilitates the interaction between a user and a machine. In the world of computers, it can be anything from a keyboard, a joystick, a screen or a program. In case of computer software, it can be a command-line prompt, a webpage, a user input form, or the front-end of any application.

现如今，随着移动互联网的迅猛发展，整个行业的规模越发的庞大起来，而随着移动应用的不断增多，UI设计的重要性也越来越明确。根据我们使用PC软件的经验，界面设计的好坏将关系着一个产品的成败，一个界面设计十分优良的手机软件会令用户产生使用的冲动，相反，如果设计平平，用户便不会有什么兴趣。这一规则在

Use the options_ui key to define an options page for your extension. You use this page to enable users to modify your extension's settings.

那么，学习UI设计的人越多，就业就越难吗？快速发展的5G时代，使得企业越来越重视产品的界面设计和用户体验，因此UI设计师这个行业受到了众多设计爱好者的青睐。 一、UI设计产品得到了广泛的应用。 现在，舒适的视觉享受已经成为拉近消费者与商品之间距离的必然要求，而这又有赖于UI设计，而UI设计的产品正在

The UI Events API defines a system for handling user interactions such as mouse and keyboard input. This includes:

学习 “美”“好”产品的用户体验，始于GUI设计 新数字时代的人机沟通，交互场景都将融入视觉、触觉、手势或声音等多种感官体验，“美”和“好"则是设计和更新产品体验的两大重点。 所谓”美“，颜值即正义，图形用户界面要酷炫；所谓”好“，指产品要好用，比如交互界面要流畅，续航时间长等。 万物互联时代，出

In the previous articles, we covered the styling of various form controls in a general manner. This included some usage of pseudo-classes, for example, using :checked to target a checkbox only when it is selected. In this article, we explore the different UI pseudo-classes available for styling forms in different states.

 我们聊到互联网行业的时候，一个不可

In this challenge we are going to get you to write some JavaScript for a house search/filter page on a property website. This will include fetching JSON data, filtering that data based on the values entered in provided form controls, and rendering that data to the UI. Along the way, we'll also test your knowledge of conditionals, loops, arrays and array methods, and more besides.