質問編集履歴
2
訂正
test
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File without changes
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test
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@@ -10,15 +10,15 @@
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```JavaScript
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13
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const canvas = document.getElementById(
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const canvas = document.getElementById("canvas");
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15
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const c = canvas.getContext(
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const c = canvas.getContext("2d");
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let Circle = function(x, y, radius){
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this
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this.x = x;
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this.y = y;
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@@ -32,7 +32,7 @@
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c.arc(this.x, this.y, 10, Math.PI * 2, false);
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c.fillStyle =
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c.fillStyle = "red";
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c.fill();
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@@ -54,7 +54,7 @@
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canvas.addEventListener(
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canvas.addEventListener("mousemove", function(event){
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let canvasRect = canvas.getBoundingClientRect();
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1
誤植
test
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File without changes
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test
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@@ -12,7 +12,7 @@
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12
12
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13
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const canvas = document.getElementById(“canvas);
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14
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15
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-
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15
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+
const c = canvas.getContext(“2d”);
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@@ -102,6 +102,6 @@
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103
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init();
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105
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-
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105
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animate();
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```
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