JavaScript Introduction - codewithtanveer

Introduction of JavaScript 

JavaScript, developed by Netscape in 1995, is a versatile and dynamic programming language that plays a crucial role in web development. Initially created to enhance the interactivity of web pages, JavaScript has evolved into a powerful language for both client-side and server-side scripting. As a client-side language, it enables developers to manipulate the Document Object Model (DOM), dynamically updating content and responding to user interactions without requiring a page reload.

One of JavaScript's key features is its event-driven nature, allowing developers to create responsive and interactive web applications. It supports various programming paradigms, including object-oriented, imperative, and functional programming. JavaScript is widely supported by modern web browsers, making it an integral part of front-end development.

JavaScript Introduction - codewithtanveer


Here's a simple example of JavaScript code:


    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <meta name="viewport" content="width=device-width, initial-scale=1.0">
      <title>JavaScript Example - code with tanveer</title>
    </head>
    <body>

      <!-- JavaScript Code -->
      <script>
        // Function to change the content of an HTML element
        function changeText() {
          document.getElementById("demo").innerHTML = "Hello, JavaScript!";
        }
      </script>

      <!-- HTML Content -->
      <h1 id="demo">Hello, World!</h1>
      <button type="button" onclick="changeText()">Click me</button>

    </body>
    </html>


In this example, the JavaScript code defines a function (`changeText`) that changes the content of an HTML element when called. The button element triggers this function when clicked, demonstrating the interactive capabilities of JavaScript in manipulating webpage content.



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