📘 Class 9/10 HTML/CSS/JS Practice

Essential <HTML> Tags

TagDescription
<!DOCTYPE>Defines document type
<html>Root element
<head>Metadata container
<title>Document title
<body>Main content
<h1>Heading
<p>Paragraph
<b>Bold text
<i>Italic text
<a>Hyperlink
<img>Image
<ul> <ol> <li>Lists
<table> <tr> <td>Table layout
<form> <input> <button>Form inputs
<br>Line break
<div>Generic container
<span>Inline container
<iframe>Embed another page

{CSS} Basics

PropertyDescription
colorText color
backgroundBackground styling
font-sizeText size
marginOutside spacing
paddingInside spacing
borderBorder styling
displayElement display type
text-alignText alignment
flexFlexible box layout

[JavaScript] Examples

FunctionDescription
alert()Shows a popup
prompt()User input popup
console.log()Prints to browser console
getElementById()Access elements
onclickClick event trigger
addEventListener()Event listener for user actions
innerHTMLChange HTML content
setTimeout()Delay code execution