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| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| 6 | + <title>Pointer Event</title> |
| 7 | + <style> |
| 8 | + body { |
| 9 | + margin: 0; |
| 10 | + } |
| 11 | + #pointer-event-container { |
| 12 | + width: 100vw; |
| 13 | + height: 100vh; |
| 14 | + } |
| 15 | + .circle { |
| 16 | + width: 30px; |
| 17 | + height: 30px; |
| 18 | + border-radius: 50%; |
| 19 | + position: absolute; |
| 20 | + transform: translate(-50%, -50%); |
| 21 | + display: flex; |
| 22 | + justify-content: center; |
| 23 | + align-items: center; |
| 24 | + background-color: #aaa; |
| 25 | + box-shadow: 0 0 5px 10px #aaa; |
| 26 | + color: #fff; |
| 27 | + animation: fadeOut 1s 0.1s ease-in-out forwards; |
| 28 | + } |
| 29 | + @keyframes fadeOut { |
| 30 | + from { |
| 31 | + opacity: 1; |
| 32 | + } |
| 33 | + 99% { |
| 34 | + opacity: 0; |
| 35 | + scale: 1.5; |
| 36 | + } |
| 37 | + to { |
| 38 | + opacity: 0; |
| 39 | + display: none; |
| 40 | + } |
| 41 | + } |
| 42 | + #pointer-type-container { |
| 43 | + text-align: center; |
| 44 | + padding: 10%; |
| 45 | + font-size: 20px; |
| 46 | + border: 1px solid #000; |
| 47 | + } |
| 48 | + #pointer-type { |
| 49 | + display: inline-block; |
| 50 | + min-width: 100px; |
| 51 | + font-weight: bold; |
| 52 | + } |
| 53 | + </style> |
| 54 | +</head> |
| 55 | +<body> |
| 56 | + <div id="pointer-event-container"> |
| 57 | + <p id="pointer-type-container"> |
| 58 | + pointer type: |
| 59 | + <span id="pointer-type"></span> |
| 60 | + </p> |
| 61 | + </div> |
| 62 | + <script> |
| 63 | + const container = document.getElementById('pointer-event-container'); |
| 64 | + const box = document.getElementById('pointer-type'); |
| 65 | + |
| 66 | + const appendCircle = (event) => { |
| 67 | + const circle = document.createElement('div'); |
| 68 | + circle.classList.add('circle'); |
| 69 | + circle.style.left = event.clientX + 'px'; |
| 70 | + circle.style.top = event.clientY + 'px'; |
| 71 | + circle.innerText = event.pointerId; |
| 72 | + |
| 73 | + container.appendChild(circle); |
| 74 | + circle.setPointerCapture(event.pointerId); |
| 75 | + } |
| 76 | + |
| 77 | + container.addEventListener('pointerdown', (event) => { |
| 78 | + console.log(event.target); |
| 79 | + if(event.target.classList.contains('circle')) { |
| 80 | + return; |
| 81 | + } |
| 82 | + |
| 83 | + appendCircle(event); |
| 84 | + |
| 85 | + box.innerText = event.pointerType; |
| 86 | + }); |
| 87 | + |
| 88 | + container.addEventListener('pointerup', (event) => { |
| 89 | + setTimeout(() => { |
| 90 | + box.innerText = ''; |
| 91 | + }, 500); |
| 92 | + }); |
| 93 | + </script> |
| 94 | +</body> |
| 95 | +</html> |
| 96 | + |
| 97 | + |
| 98 | + |
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