Rumah >hujung hadapan web >tutorial js >Percetakan corak sudut kanan menggunakan html css js
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Right-Angled Star Triangle</title> <style> * { box-sizing: border-box; margin: 0; padding: 0; } body { font-family: 'Arial', sans-serif; background-color: #1c1c1c; color: #fff; display: flex; justify-content: center; align-items: center; height: 100vh; padding: 20px; } .container { text-align: center; background-color: #333; padding: 30px; border-radius: 10px; box-shadow: 0 0 20px rgba(0, 0, 0, 0.5); } h1 { margin-bottom: 20px; font-size: 24px; color: #f0f0f0; } label { margin-bottom: 10px; display: block; font-size: 18px; } #rows { padding: 10px; border-radius: 5px; border: none; font-size: 18px; width: 60%; background-color: #444; color: #fff; margin-bottom: 20px; } button { padding: 10px 20px; font-size: 18px; border: none; border-radius: 5px; cursor: pointer; margin: 5px; background: linear-gradient(45deg, #ff416c, #ff4b2b); color: white; box-shadow: 0 0 15px rgba(255, 65, 108, 0.5); transition: box-shadow 0.3s ease; } button:hover { box-shadow: 0 0 30px rgba(255, 65, 108, 0.8); } #pattern { margin-top: 20px; text-align: right; /* Right-align the triangle */ } .star { display: inline-block; font-size: 40px; /* Bigger stars */ margin: 2px; color: #fff; } </style> </head> <body> <div class="container"> <h1>Right-Angled Star Triangle</h1> <label for="rows">Enter number of rows:</label> <input type="number" id="rows" placeholder="Number of rows"> <button onclick="generatePattern()">Create Pattern</button> <button onclick="clearPattern()">Clear Pattern</button> <div id="pattern"></div> </div> <script> // Function to generate a random color in hexadecimal function getRandomColor() { let letters = '0123456789ABCDEF'; let color = '#'; for (let i = 0; i < 6; i++) { color += letters[Math.floor(Math.random() * 16)]; } return color; } // Function to create the triangle pattern function generatePattern() { let numRows = document.getElementById('rows').value; let patternDiv = document.getElementById('pattern'); patternDiv.innerHTML = ''; // Clear previous pattern if (numRows <= 0) { alert("Please enter a valid number of rows!"); return; } // Loop through rows for (let i = 1; i <= numRows; i++) { let row = document.createElement('div'); // Loop through each star in the row for (let j = 1; j <= i; j++) { let star = document.createElement('span'); star.textContent = '❤️'; star.classList.add('star'); star.style.color = getRandomColor(); // Set random color to the star row.appendChild(star); } // Append the row to the pattern div patternDiv.appendChild(row); } } // Function to clear the pattern function clearPattern() { document.getElementById('pattern').innerHTML = ''; document.getElementById('rows').value = ''; } </script> </body> </html>
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