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Welcome back.



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In this video, you will learn what especially BHB is also a programming language, but it doesn't run



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in your browser.



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Your browser does not understand BHB YouTube so understands BHB, but your browser understands only



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JavaScript.



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So let's take the example of Facebook dot com.



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So when I opened my Facebook, it chose my name.



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When you open your Facebook, expose your name and when you press some buttons and send me a message,



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those things also happen.



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Those happen using JavaScript.



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But the name to my name and my photo comes without you doing anything.



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You just login, you see your name and your photo.



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That logic is decided server side using PSP or some other programming language.



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I think YouTube is using Python, but Facebook users BHB.



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So when you open Facebook dot com, Facebook makes some set of checks and understands who is asking



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for this and then they find your name there and they include your name in the e-mail and they send back



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to you.



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That's how you see your name.



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All the logic, all that thinking which happens in the server is written using BHB and whatever happens



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in your browser happens using JavaScript.



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So that's the difference between BHB and JavaScript.



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Both are programming languages, but JavaScript runs only in your browser, runs only in the server.



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So you in the next do.