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| 1 <!DOCTYPE html> |
| 2 <html> |
| 3 <head> |
| 4 <style> |
| 5 #background { |
| 6 background-color: yellow; |
| 7 display: inline-block; |
| 8 } |
| 9 |
| 10 .container { |
| 11 font-size: 0px; |
| 12 } |
| 13 </style> |
| 14 </head> |
| 15 <body> |
| 16 |
| 17 <div id="background"> |
| 18 <div class="container"> |
| 19 <canvas id ="box-1" width="200" height="200"></canvas> |
| 20 </div> |
| 21 <div class="container"> |
| 22 <canvas id ="box-2" width="200" height="200"></canvas> |
| 23 </div> |
| 24 </div> |
| 25 |
| 26 <script> |
| 27 function drawCanvas(canvasID, color, width) { |
| 28 var canvas = document.getElementById(canvasID); |
| 29 var context = canvas.getContext("2d", {alpha: true}); |
| 30 context.clearRect(0, 0, canvas.width, canvas.height); |
| 31 context.strokeStyle = color; |
| 32 context.lineWidth = width; |
| 33 context.strokeRect(40, 40, 120, 120); |
| 34 }; |
| 35 |
| 36 drawCanvas('box-1', 'rgb(50, 100, 150)', '5px'); |
| 37 drawCanvas('box-2', 'rgb(150, 100, 50)', '10px'); |
| 38 |
| 39 </script> |
| 40 </body> |
| 41 </html> |
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