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| (Empty) |
| 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-green" width="100" height="100"></canvas> | |
| 20 </div> | |
| 21 <div class="container"> | |
| 22 <canvas id ="box-red" width="100" height="100"></canvas> | |
| 23 </div> | |
| 24 </div> | |
| 25 | |
| 26 <script> | |
| 27 function drawCanvas(canvasID, color) { | |
| 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 = 4; | |
| 33 context.strokeRect(20, 20, 60, 60); | |
| 34 }; | |
| 35 | |
| 36 drawCanvas('box-green', 'green'); | |
| 37 drawCanvas('box-red', 'red'); | |
| 38 | |
| 39 </script> | |
| 40 </body> | |
| 41 </html> | |
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