回答編集履歴
1
書式の改善
answer
CHANGED
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@@ -12,14 +12,14 @@
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12
12
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var ctx = canvas.getContext('2d');
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13
13
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for (var i = 0; i < 50; i++) {
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14
14
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ctx.beginPath();
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15
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-
var r = Math.floor(Math.random() *
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15
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+
var r = Math.floor(Math.random() * 256);
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16
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-
var g = Math.floor(Math.random() *
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16
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var g = Math.floor(Math.random() * 256);
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17
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-
var b = Math.floor(Math.random() *
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17
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+
var b = Math.floor(Math.random() * 256);
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18
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-
var y = Math.floor(Math.random() *
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18
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+
var y = Math.floor(Math.random() * 550);
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19
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-
var x = Math.floor(Math.random() *
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19
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+
var x = Math.floor(Math.random() * 750);
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20
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-
var pi = Math.floor(Math.random() *
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20
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var pi = Math.floor(Math.random() * 50);
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21
21
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ctx.fillStyle = 'rgb(' + r + ',' + g + ',' + b + ')';
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22
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-
ctx.arc(x,y,pi,0,360/180*Math.PI);
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22
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+
ctx.arc(x, y, pi, 0, 360 / 180 * Math.PI);
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23
23
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ctx.fill();
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24
24
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}
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25
25
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</script>
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