What JavaScript can do is: 1. Make web pages more interactive and provide users with a better experience; 2. Create an active user interface; 3. Ensure that users enter valid information in forms ; 4. Can create customized HTML pages; 5. Can process forms and set cookies.
1: What is js
JavaScript is a literal scripting language, a dynamic type, weak Types, a prototype-based language with built-in support for types. Its interpreter is called the JavaScript engine, which is part of the browser and is widely used in client-side scripting languages. It was first used on HTML (an application under Standard Universal Markup Language) web pages to add dynamic functions to HTML web pages. . [Recommended reading: What does JS mean]
2: What can JavaScript do
You can do a lot with JavaScript things to make web pages more interactive, giving site users a better and more exciting experience.
JavaScript allows you to create active user interfaces that provide feedback to users as they navigate between pages.
Use JavaScript to ensure users enter valid information into forms, which can save your business time and expense.
Using JavaScript, customized HTML pages can be created based on user operations.
JavaScript can also handle forms, set cookies, build HTML pages on the fly, and create web-based applications.
Javascript can implement special effects on web pages, including animation and interaction; such as displaying the current system time and displaying real-time information updates. JavaScript can also process forms and set cookies. Build HTML pages and create web-based applications on the fly.
[Recommended tutorial: JavaScript tutorial]
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