回答編集履歴
1
質問内容に貼り付けられているソースコードを修正したものを具体的に例示します
test
CHANGED
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@@ -1,13 +1,107 @@
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座標情報をオブジェクト配列にする例を示します。
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```javascript
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2
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5
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function atk() {
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var fm = document.getElementById('fm');
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fm.innerHTML = "";
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var arr = [], points = [];
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for (k = 0; k < 3; k++) {
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var inputX = document.createElement('input');
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inputX.type = 'number';
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inputX.size = 10;
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inputX.id = `x${k}`;
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inputX.placeholder = `x${k}`;
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var inputY = document.createElement('input');
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inputY.type = 'number';
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inputY.size = 10;
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inputY.id = `y${k}`;
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inputY.placeholder = `y${k}`;
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inputY.value = `y${k}`;
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var br = document.createElement('br');
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var before = document.createTextNode(`p${k}(`);
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var comma = document.createTextNode(',');
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var after = document.createTextNode(')');
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fm.append(before);
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fm.append(inputX);
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fm.append(comma);
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fm.append(inputY);
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fm.append(after);
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fm.append(br);
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var p = (Math.random() * 1000);
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var q = (Math.random() * 1000);
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document.getElementById(`x${k}`).value=p;
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document.getElementById(`y${k}`).value=q;
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arr.push({x:p,y:q});
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points.push({x:parseFloat(document.getElementById('x' +
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points.push({x:parseFloat(document.getElementById('x' + k).value), y:parseFloat(document.getElementById('y' + k).value)});
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}
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//g
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const g = [];
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const gx = (points[0].x + points[1].x + points[2].x) / 3;
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const gy = (points[0].y + points[1].y + points[2].y) / 3;
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g.push(gx);
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g.push(gy);
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alert(g);
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102
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103
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}
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104
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105
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106
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13
107
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```
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