Created
February 8, 2018 14:12
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
| <title>Document</title> | |
| <style> | |
| body{ | |
| margin: 0; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <canvas id="WhackAWorm" width="500" height="500"></canvas> | |
| window.innerWidth為：<p id="show"></p> | |
| <script> | |
| init = ()=>{ | |
| console.log('window.innerWidth:',window.innerWidth); | |
| document.querySelector('#show').innerHTML = window.innerWidth + 'px'; | |
| } | |
| window.addEventListener('load', init); | |
| window.addEventListener('resize', init); | |
| </script> | |
| </body> | |
| </html> |
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