what is java script?

is a scripting or programming that allow you to implement complex features on web pages

how to creat javascript file?

1- creat new folder 2- creat the javascript file with extinction 3- linking to ajava script file from an HTML pages 4- start writing your code

you need to know how it will fit together with the HTML and CSS in your web pages , befor learning JavaScript language CONTENT LAYER html files This is where the content of the page lives. The HTML gives the page structure and adds semantics. PRESENTATION LAYER css files The CSS enhances the HTML page with rules that state how the HTML content is presented (backgrounds, borders, box dimensions, colors, fonts, etc.). BEHAVIOR LAYER js files This is where we can change how the page behaves, adding interact ivity. We will aim to keep as much of our JavaScript as possible in separate files.

HTML + CSS + JS

**The JavaScript is added last and enhances the usability of the page or the experience ofinteracting with the site. Keeping it separate means that the page still works if the user ** HOW HTML, CSS & JAVASCRIPT FIT TOGETHER Before diving into the JavaScript language, you need to know how it will fit together with the HTML and CSS in your web pages.

CONTENT LAYER html files This is where the content of the page lives. The HTML gives the page structure and adds semantics. PRESENTATION LAYER css files The CSS enhances the HTML page with rules that state how the HTML content is presented (backgrounds, borders, box dimensions, colors, fonts, etc.).**