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Javascript is platform independent. JavaScript does not depend on the operating system and can be run in the browser; a JavaScript script can be run on any system after it is written, as long as the browser on the system supports JavaScript.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
JavaScript ("JS" for short) is a lightweight, interpreted or just-in-time compiled programming language with function priority. Although it is famous as a scripting language for developing Web pages, it is also used in many non-browser environments. JavaScript is a dynamic scripting language based on prototype programming, multi-paradigm, and supports object-oriented, imperative and declarative (such as functional programming) style.
Javascript is platform independent and can be cross-platform.
Reason:
JavaScript does not depend on the operating system and can run in the browser. Therefore, after a JavaScript script is written, it can be run on any system, as long as the browser on the system supports JavaScript.
Now, JavaScript is supported by most browsers.
With the support of most browsers, JavaScript can run on multiple platforms (such as Windows, Linux, Mac, Android, iOS, etc.).
And with the development of engines such as V8 and frameworks such as Node.js, and their event-driven and asynchronous IO and other features, JavaScript is gradually being used to write server-side programs.
Expand knowledge:
JavaScript is currently the most popular and widely used client-side scripting language. It is used to add some dynamic effects and interactive functions to web pages. It plays a decisive role in the field of Web development. status.
JavaScript, HTML and CSS together constitute the web pages we see, among which:
HTML is used to define the content of the web page, such as title, text, images, etc. ;
CSS is used to control the appearance of the webpage, such as color, font, background, etc.;
JavaScript is used to update the content of the webpage in real time , such as obtaining data from the server and updating it to the web page, modifying the style of some tags or the content thereof, etc., to make the web page more vivid.
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