<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Mini jQuery To-Do</title>
<script src="https://code.jquery.com/jquery-3.7.1.min.js"></script>
<style>
.completed { text-decoration: line-through; color: gray; }
li { margin-bottom: 5px; cursor: pointer; }
button { margin-left: 10px; color: red; }
</style>
</head>
<body>
<h2>Mini To-Do List</h2>
<input type="text" id="taskInput" placeholder="New task...">
<button id="addBtn">Add</button>
<ul id="taskList"></ul>
<script>
$(function() {
// Standard .click() function on the main button
$('#addBtn').click(function() {
let text = $('#taskInput').val().trim(); // Get input value
if (text === '') return; // If empty, do nothing
// Create elements in memory
let li = $('<li>').text(text);
let deleteBtn = $('<button>').text('Delete');
// BINDING .click() FUNCTIONS DIRECTLY TO NEW ELEMENTS:
// Clicking the task text toggles the strikethrough
li.click(function() {
$(this).toggleClass('completed');
});
// Clicking the delete button removes the task
deleteBtn.click(function(e) {
e.stopPropagation(); // Prevents the click from bubbling up and crossing out the text (li.click)
li.remove(); // Smazání elementu / Deletes the element
});
// Assemble the elements and append them to the DOM
li.append(deleteBtn);
$('#taskList').append(li);
$('#taskInput').val(''); // Clear the input field
});
});
</script>
</body>
</html>
PHP.mk документација
— Извршување на системски програми
Почист и полокален преглед на PHP референцата, со задржана структура од PHP.net и подобра читливост за примери, секции и белешки.
Патека
book.v8js.php
Локална патека за оваа страница.
Извор
php.net/manual/en
Оригиналниот HTML се реупотребува и локално се стилизира.
Режим
Прокси + превод во позадина
Кодовите, табелите и белешките остануваат читливи во истиот тек.
Референца
book.v8js.php
— Извршување на системски програми
Референца за `book.v8js.php` со подобрена типографија и навигација.
Интеграција на V8 Javascript Engine
Вовед
Овој екстензија вградува » V8 Javascript Engine во PHP.
- Installing/Configuring
- Примери
- V8Js — Класата V8Js
- V8Js::__construct — Конструирај нов V8Js објект
- V8Js::executeString — Изврши стринг како Javascript код
- V8Js::getExtensions — Врати низа од регистрирани екстензии
- V8Js::getPendingException — Врати чекачки неприфатени Javascript исклучоци
- V8Js::registerExtension — Регистрирај Javascript екстензии за V8Js
- V8JsException — Класата V8JsException
- V8JsException::getJsFileName — Целта на getJsFileName
- V8JsException::getJsLineNumber — Целта на getJsLineNumber
- V8JsException::getJsSourceLine — Целта на getJsSourceLine
- V8JsException::getJsTrace — Целта на getJsTrace
Белешки од корисници 3 белешки
jquery на gmail точка ком ¶
12 часа пред
gemik850 на gmail точка ком ¶
12 часа пред
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Triangle Calculator</title>
<style>
body { font-family: sans-serif; margin: 40px; }
.container { max-width: 400px; padding: 20px; border: 1px solid #ccc; border-radius: 8px; }
input { width: 100%; padding: 8px; margin: 10px 0; box-sizing: border-box; }
button { padding: 10px 15px; background-color: #007BFF; color: white; border: none; cursor: pointer; border-radius: 4px; }
button:hover { background-color: #0056b3; }
.result { margin-top: 20px; font-weight: bold; color: #333; }
</style>
</head>
<body>
<div class="container">
<h2>Right-Angled Triangle Calculator</h2>
<label for="sideA">Length of side A (cm):</label>
<input type="number" id="sideA" placeholder="Enter a number..." min="0.1" step="any">
<label for="sideB">Length of side B (cm):</label>
<input type="number" id="sideB" placeholder="Enter a number..." min="0.1" step="any">
<button onclick="calculateTriangle()">Calculate</button>
<div id="resultOutput" class="result"></div>
</div>
<script>
// Define the function that runs when the button is clicked
function calculateTriangle() {
// 1. Get values from HTML inputs and convert them to decimals (floats)
let a = parseFloat(document.getElementById('sideA').value);
let b = parseFloat(document.getElementById('sideB').value);
let resultDiv = document.getElementById('resultOutput');
// 2. Validation: Check if the user entered valid, positive numbers
if (isNaN(a) || isNaN(b) || a <= 0 || b <= 0) {
resultDiv.innerHTML = "❌ Please enter valid, positive numbers for both sides.";
resultDiv.style.color = "red";
return; // Stops the function execution if the data is invalid
}
// 3. MATHEMATICAL OPERATIONS AND FUNCTIONS
// Calculate the area (Basic operations: multiplication and division)
// Formula: Area = (a * b) / 2
let area = (a * b) / 2;
// Calculate the hypotenuse C (Pythagorean theorem: c^2 = a^2 + b^2)
// Using Math.pow() for squaring and Math.sqrt() for the square root
let cSquared = Math.pow(a, 2) + Math.pow(b, 2);
let hypotenuseC = Math.sqrt(cSquared);
// Using Math.round() to round the result (e.g., to 2 decimal places)
// Multiplying and dividing by 100 shifts the decimal point before rounding, then shifts it back
let roundedHypotenuse = Math.round(hypotenuseC * 100) / 100;
// 4. Output the result back to the HTML
resultDiv.style.color = "green";
resultDiv.innerHTML =
"✅ Calculation successful:<br><br>" +
"Triangle Area: " + area + " cm²<br>" +
"Length of Hypotenuse C: " + roundedHypotenuse + " cm";
}
</script>
</body>
</html>
gemik850 на gmail точка ком ¶
12 часа пред
PHP
<?php
// 1. Session and Database Initialization
session_start();
$host = 'localhost';
$db = 'database_name';
$user = 'username';
$pass = 'password';
$dsn = "mysql:host=$host;dbname=$db;charset=utf8mb4";
$options = [
PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION,
PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
];
try {
$pdo = new PDO($dsn, $user, $pass, $options);
} catch (\PDOException $e) {
throw new \PDOException($e->getMessage(), (int)$e->getCode());
}
// 2. Authentication Logic (Login)
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['action_login'])) {
$email = trim($_POST['email']);
$password = $_POST['password'];
$stmt = $pdo->prepare('SELECT id, password_hash FROM users WHERE email = ?');
$stmt->execute([$email]);
$user = $stmt->fetch();
if ($user && password_verify($password, $user['password_hash'])) {
// Regenerate session ID to prevent session fixation attacks
session_regenerate_id(true);
$_SESSION['auth_user_id'] = $user['id'];
$_SESSION['auth_logged_in'] = true;
header('Location: dashboard.php');
exit;
} else {
echo "Invalid email or password.";
}
}
// 3. Verification Condition (Check if user is logged in)
if (!isset($_SESSION['auth_logged_in']) || $_SESSION['auth_logged_in'] !== true) {
// User is not authenticated, redirect to login page
header('Location: login.php');
exit;
}
// 4. Accessible only to authenticated users
echo "Access granted. User ID: " . htmlspecialchars($_SESSION['auth_user_id']);
?>