The JavaScript language has nothing to do with the operating environment. JavaScript relies on the browser itself, not the operating system, and can be run in the browser; therefore, 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.
The JavaScript language has nothing to do with the operating environment and everything to do with the browser.
JavaScript ("JS" for short) 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 and 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.
Javascript language has cross-platform features
Because JavaScript language depends on the browser itself and does not depend on the operating system; as long as it can run the browser A computer with a browser that supports JavaScript can execute it correctly.
So a JavaScript script can be run on any system after it is written, as long as the browser on the system supports JavaScript.
But different browsers and different versions of the same browser have different support for javascript (browser compatibility).
[Recommended learning: javascript advanced tutorial]
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