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<Meta charset=UTF-8> <meta name="viewport" content="width=device-width, initial-scale=1.0"> why this is same in all html .?
What does this statement do? please help me..
7 Respuestas
+ 4
The HTML charset Attribute
To display an HTML page correctly, a web browser must know the character set used in the page.
This is specified in the <meta> tag:
<meta charset="UTF-8">
From ASCII to UTF-8
ASCII was the first character encoding standard. ASCII defined 128 different characters that could be used on the internet: numbers (0-9), English letters (A-Z), and some special characters like ! $ + - ( ) @ < > .
ISO-8859-1 was the default character set for HTML 4. This character set supported 256 different character codes. HTML 4 also supported UTF-8.
ANSI (Windows-1252) was the original Windows character set. ANSI is identical to ISO-8859-1, except that ANSI has 32 extra characters.
The HTML5 specification encourages web developers to use the UTF-8 character set, which covers almost all of the characters and symbols in the world!
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<!DOCTYPE html>
<html lang="tg">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Графики Системаи Муодилаҳо</title>
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>
<style>
body {
font-family: Arial, sans-serif;
margin: 20px;
}
canvas {
max-width: 600px;
margin: auto;
}
</style>
</head>
<body>
<h1>Графики системаи муодилаҳо</h1>
<canvas id="myChart"></canvas>
<script>
// Создани массиви барои х ва у
const xValues = [];
const y1Values = [];
const y2Values = [];
// Ҳисоб кардани функсияҳо барои диапазони х
for (let x = -10; x <= 10; x += 0.1) {
xValues.push(x);
y1Values.push((2 - 3*x) / 2); // Ҳисоб кардани функсия 3x + 2y = 2 => y = (2 - 3x) / 2
y2Values.push(2*x - 8); // Ҳисоб кардани функсия 2x - y = 8 => y = 2x - 8
}
// Создани график бо Chart.js
const ctx = document.getElementById('myChart').getContext('2d');
const myChart = new Chart(ctx, {
type: 'line',
data: {
labels: xValues,
datasets: [
{
label: '3x + 2y = 2',
data: y1Values,
borderColor: 'rgba(75, 192, 192, 1)',
backgroundColor: 'rgba(75, 192, 192, 0.2)',
fill: false,
},
{
label: '2x - y = 8',
data: y2Values,
borderColor: 'rgba(255, 99, 132, 1)',
backgroundColor: 'rgba(255, 99, 132, 0.2)',
fill: false,
},
{
label: 'Нуқтаи буриш K (-2, 4)',
data: [{x: -2, y: 4}],
backgroundColor: 'rgba(255, 20
0
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0
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Physics Fun</title>
<script src="https://polyfill.io/v3/polyfill.min.js?features=es6"></script>
<script id="MathJax-script" async src="https://cdn.jsdelivr.net/npm/mathjax@3/es5/tex-mml-chtml.js"></script>
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Roboto:wght@400;500;700&display=swap">
<style>
body {
font-family: 'Roboto', sans-serif;
margin: 0;
padding: 0;
background-color: #f4f4f4;
color: #333;
line-height: 1.7; /* Improved default line height for better readability */
}
header {
background-color: #007BFF;
padding: 20px 0;
text-align: center;
color: white;
}
header h1 {
margin: 0;
font-size: 2.5em; /* Larger font size for the heading */
font-weight: 500; /* Use medium font weight for the heading */
}
.container {
max-width: 1200px;
margin: 20px auto;
padding: 20px;
background-color: white;
border-radius: 8px;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.section {
margin-bottom: 40px;
}
.section h2 {
font-size: 2em; /* Larger font size for section titles */
margin-bottom: 20px;
color: #007BFF; /* Highlight section titles with the primary color */
text-align: center; /* Center the section titles */
font-weight: 700; /* Use bold font weight for section titles */
border-bottom: 2px solid #007BFF; /* Add a border below the section title */
padding-bottom: 10px;
}
.section p {
font-size: 1.1em; /* Slightly larger font size for paragraphs */
color: #444; /* Slightly darker color for p
0
<!DOCTYPE html>
<html lang="ar" dir="rtl">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>أنمي ستريم - AnimeStream</title>
<style>
* {
box-sizing: border-box;
margin: 0;
padding: 0;
}
body {
font-family: 'Arial', sans-serif;
background-color: #1a1a1a;
color: #fff;
}
/* شريط التنقل */
.navbar {
background-color: #222;
padding: 1rem;
display: flex;
justify-content: space-between;
align-items: center;
}
.logo {
font-size: 1.5rem;
color: #e50914;
}
.nav-links a {
color: #fff;
text-decoration: none;
margin-left: 2rem;
}
/* قسم الهيرو */
.hero {
height: 70vh;
background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7)),
url('https://source.unsplash.com/random/1920x1080/?anime');
background-size: cover;
display: flex;
align-items: center;
padding: 2rem;
}
.hero-content {
max-width: 600px;
}
/* قائمة الأنمي */
.anime-list {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
gap: 2rem;
padding: 2rem;
}
.anime-card {
background: #333;
border-radius: 8px;
overflow: hidden;
transition: transform 0.3s;
}
.anime-card:hover {
transform: translateY(-5px);
}
.anime-card img {
width: 100%;
height: 300px;
object-fit: cover;
}
.anime-info {
padding: 1rem;
}
/* مشغل الفيديو */
.video-player {
width: 100%;
height: 70vh;
0
<!DOCTYPE html><html lang="ur" dir="rtl">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>آتش بازی کی دکان</title>
<style>
body {
font-family: 'Noto Nastaliq Urdu', serif;
background-color: #f2f2f2;
margin: 0;
padding: 0;
}
header {
background-color: #d32f2f;
color: white;
padding: 20px;
text-align: center;
}
.container {
padding: 20px;
}
.product {
background: white;
margin-bottom: 20px;
padding: 15px;
border-radius: 8px;
box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
.product h2 {
margin: 0;
color: #c62828;
}
.product p {
margin: 5px 0;
}
footer {
background-color: #c62828;
color: white;
text-align: center;
padding: 10px;
margin-top: 40px;
}
.whatsapp-button {
display: inline-block;
margin-top: 10px;
background-color:
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