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  Practice HTML, CSS, & JavaScript Code: Jump to a Section

HTML
CSS
JavaScript

HTML 


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HTML code example. These are the most basic HTML tags needed to write a web page.

<html> <head> <style> </style> <script> </script> </head> <body> </body> </html>

CSS 


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CSS code example. Here are the CSS conditions needed to stylize a navagation menu pane like the one found after clicking the hamburger button of this webpage.

<style> .sidenav { height: 900px; width: 0; position: fixed; overflow-y: auto; z-index: 1; top: 0; left: 0; background-color: #111; overflow-x: hidden; transition: 0.5s; padding-top: 30px; } .sidenav a { padding: 8px 8px 8px 32px; text-decoration: none; font-size: 25px; color: #818181; display: block; transition: 0.3s; } .sidenav a:hover { color: #f1f1f1; text-decoration: underline; } .sidenav .closebtn { position: absolute; top: 0; right: 25px; font-size: 36px; margin-left: 50px; } @media screen and (max-height: 450px) { .sidenav {padding-top: 15px;} .sidenav a {font-size: 18px;} } </style>

JavaScript 


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Paragraph

JavaScript code example. Here is the JavaScript code for the above example. The paragraph, button, and script can all go in the body section of your HTML:

<p id = "demo">Paragraph</p> <button type = "button" onclick = "changeParagraph()"> Click me to change the content of the text above. </button> <script> function changeParagraph() { document.getElementById("demo").innerHTML = "Paragraph Changed."; } </script>