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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title> Lecture 1 | Introduction to javascript | Why to learn Javascript</title>
</head>
<body>
<div>*****************************Tutorial Start 🔥 ********************************</div></br></br>
<question>1. WHAT IS JAVASCRIPT?</question></br>
<answer>Ans: Javascript is the client side programming language for the web, javascript is initially created to "make web pages alive".</answer></br>
<answer>* Today, javascript can execute not only in the browsers, but only on the server, or actually on any device that has special program called<span>the Javascript engine.</span></answer></br>
<question>2. JAVASCRIPT IN BROWSERS?</question></br>
<answer>Details given below: 👇</answer></br>
<answer>* Add new html to the page, change the existing content, and modify styles.</answer></br>
<answer>* React to user actions, run on mouse clicks, pointer movement, key press, event handling.</answer></br>
<answer>* Send Requests over the network to remote servers, download and upload file(so called AJAX and COMET technolgied), dynamic file and pages. </answer></br>
<answer>* Get and set cookies, ask question to the visitors, show messages.</answer></br>
<answer>* Remember the data on the client side("local storage"), sessions, local sessions.</answer></br>
<question>3. JAVASCRIPT ON SERVER?</question></br>
<answer>Ans: Javascript is happily used at server side coding.</answer></br>
<answer>* With help of nodeJs be can run javascript outside from browsers.</answer></br>
<answer>* Add new html to the page, change the existing content, and modify styles.</answer></br>
<question>4. WHAT IS NODE.JS?</question></br>
<answer>Ans: Node.Js is the open-source, cross-platform, back-end, javascript runtime environment that executes JavaScript code outside a web browsers.</answer></br>
<question>5. POPULAR FRAMEWORK OF JAVASCRIPT?</question></br>
<answer>Ans: React.Js, Angular.js, Vue.Js, Next.js etc.</answer></br>
<question>6. JAVASCRIPT FOR MOBILES APP'S? </question></br>
<answer>Ans: React Native and many other places such as games, webservers, machine learning etc.</answer></br></br>
<div>*****************************Tutorial End 🚀 ********************************</div>
</body>
</html>