| 1 | <!DOCTYPE html> |
| 2 | <html lang="es"> |
| 3 | |
| 4 | <head> |
| 5 | <meta charset="UTF-8"> |
| 6 | <meta name="viewport" |
| 7 | content="width=device-width"> |
| 8 | <title>Custom Elements</title> |
| 9 | <style> |
| 10 | figura-web { |
| 11 | position: fixed; |
| 12 | font-size: 60px; |
| 13 | } |
| 14 | </style> |
| 15 | <script> |
| 16 | class FiguraWeb |
| 17 | extends HTMLElement { |
| 18 | connectedCallback() { |
| 19 | this.x = 0 |
| 20 | const attrY = |
| 21 | this.getAttribute("y") |
| 22 | const attrVel = |
| 23 | this.getAttribute("velocidad") |
| 24 | this.y = parseInt(attrY, 10) |
| 25 | this.velocidad = |
| 26 | parseInt(attrVel, 10) |
| 27 | } |
| 28 | muevete() { |
| 29 | this.style.right = |
| 30 | `${this.x}px` |
| 31 | this.style.top = `${this.y}px` |
| 32 | this.x = |
| 33 | (this.x + this.velocidad) % |
| 34 | innerWidth |
| 35 | } |
| 36 | } |
| 37 | customElements.define( |
| 38 | "figura-web", FiguraWeb) |
| 39 | </script> |
| 40 | </head> |
| 41 | |
| 42 | <body> |
| 43 | <h1>Custom Elements</h1> |
| 44 | <figura-web id="fantasma" |
| 45 | y="0" velocidad="20"> |
| 46 | 👻 |
| 47 | </figura-web> |
| 48 | <figura-web id="sonrisa" |
| 49 | y="100" velocidad="10"> |
| 50 | 😁 |
| 51 | </figura-web> |
| 52 | <script> |
| 53 | setInterval(anima, 120) |
| 54 | |
| 55 | function anima() { |
| 56 | fantasma.muevete() |
| 57 | sonrisa.muevete() |
| 58 | } |
| 59 | </script> |
| 60 | </body> |
| 61 | |
| 62 | </html> |