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Javascript webapp development

I am really confused in developing web applications. I read w3 and apple chose and recommend javascript for developing web applications, but I heard that for developing web applications I need to create a back-end with Java. Can I learn html5 / css3 / javascript and develop full webapps only using these technologies?

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Think of it as a circle. The backend language, be it PHP, ASP (.net) Java, etc., It exists to help the backend build an interface. HTML, javascript, CSS is basically an interface. Of course, you can make a site exclusively in HTML and CSS, but without internal code, we will create pages that are essentially static. The user interacts with the application, which returns to the server and is processed, etc. And so on .... hence the circle.

HTML cannot talk directly to the database, which is essential for most applications. Consequently, the reason why it is almost impossible to get away from development in the background.

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If you are trying to reduce the number of languages ​​you need to learn, you can consider the Myna Javascript Application Server . This way you can write both foreground and background in JavaScript. Myna also comes with a built-in database, so there is no need for other software for simple sites. For more on server-side JavaScript, see this question .

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