What is web front-end js

js is the abbreviation of JavaScript. It is a literal scripting language. It is an indispensable part of the web front-end. It is used to enhance HTML pages and can usually be embedded in HTML code. JavaScript is interactive and dynamic. way of rendering web pages, which allows the page to react to events and display special effects.

JS is the abbreviation of JavaScript, a literal scripting language, a dynamically typed, weakly typed, prototype-based language with built-in support for types. Its interpreter, called the JavaScript engine, is a widely used client-side scripting language that is part of the browser. It is often put together with the web front-end, so what is the web front-end js?

Javascript (JS) is mainly used on the Web. It is used to enhance HTML pages and can often be embedded in HTML code. JavaScript renders web pages interactively and dynamically. This allows the page to react to events, display special effects, accept variable text, validate data, create cookies, detect the user's browser, etc.

HTML pages are suitable for displaying static content, such as simple images or text. However, most pages these days are rarely static. Many pages today have menus, forms, slideshows and even images that provide user interaction. Javascript is the language used by web developers to provide this type of interaction. Because JavaScript works on HTML pages, developers need to understand HTML to get the most out of this scripting language. While there are other languages ​​available for writing scripts on the web, in reality it's basically all Javascript.

There are two ways to use JavaScript in HTML files:

The first method involves embedding all JavaScript code in the HTML code.

The second method uses a separate JavaScript file called from the Script element, that is, included by the Script tag.

JavaScript files are identified by the .js extension. Although JavaScript is primarily used to interact with HTML objects, it can also interact with other non-HTML objects, such as browser plug-ins, CSS (Cascading Style Sheets) properties, the current date, or the browser itself. To write JavaScript code, you only need a basic text editor such as Notepad in Windows, Gimp or BBEdit in Linux. Some text editors, such as BBEdit, provide syntax highlighting for JavaScript. This will allow you to easily identify elements of your JavaScript code.

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