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How to code snippets for HTML, CSS and JavaScript.

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How to code snippets for HTML, CSS and JavaScript. 

To create HTML, CSS, and JavaScript code snippets, follow these steps

  1. Open the code editor: open a text editor or an integrated development environment (IDE) such as Visual Studio Code, Sublime Text, or Atom.
  2. Choose a language: choose the language (HTML, CSS, JavaScript) in which you want to create the code snippet.
  3. Write code: write the code that will be included in the code snippet. Note that code snippets should be short and aimed at a specific task.
  4. Add comments: add comments to the code snippet to explain how the code works and how to use it.
  5. Save file: save the file with a name and extension (.html, .css, .js).
  6. Test the code: test the code snippet in a web browser or code editor to make sure it works as expected.
  7. Share your code: Share your code snippets with others by posting them on code sharing platforms such as GitHub and CodePen.




Here are some examples of code snippets for each language: 


HTML:

<!DOCTYPE html>
<html>
<head>
	<title>My Web Page</title>
</head>
<body>
	<h1>Hello World!</h1>
	<p>This is my first web page.</p>
</body>
</html>


CSS:

/* Center text horizontally and vertically */
.center {
  display: flex;
  justify-content: center;
  align-items: center;
}


JavaScript:

// Show the current date and time
const currentDate = new Date();
console.log(`The current date and time is ${currentDate.toLocaleString()}`);

Remember that code snippets should be short, easy to understand and used as building blocks for larger projects.




Examples of HTML, CSS, and JavaScript code snippets:


HTML:

<!DOCTYPE html>
<html>
  <head>
    <title>My Webpage</title>
    <link href="style.css" rel="stylesheet">
    </link>
  </head>
  <body>
    <h1>Welcome to my webpage!</h1>
    <p>This is some text.</p>
    <script src="script.js"></script>
  </body>
</html>

With a title, a link to an external stylesheet, and a script tag that refers to an external JavaScript file, this HTML code establishes the fundamental framework of a webpage.


CSS:

body {
  background-color: #f2f2f2;
}

h1 {
  color: blue;
  font-size: 36px;
}

p {
  color: green;
  font-size: 24px;
}

This webpage's HTML components are styled with CSS. The body's background color is light grey, the h1 element's color and font size are both set to blue and 36 pixels, respectively, and the p element's color and font size are both set to green and 24 pixels, respectively.


JavaScript:

let greeting = "Hello, world!";
console.log(greeting);

function multiply(a, b) {
  return a * b;
}

let result = multiply(5, 7);
console.log(result);


The welcome string is stored in a variable defined by this JavaScript code, which then reports the string to the console. Additionally, it introduces a function called multiply that accepts two parameters and returns the product of those arguments. It then executes multiply with arguments 5 and 7 and stores the result in the result variable before logging it to the console.

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