質問編集履歴
1
typo を修正
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File without changes
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body
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@@ -4,7 +4,7 @@
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```typescript
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export class BoxesComponent implements OnInit {
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7
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-
boxes:
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7
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+
boxes: Box[] = new Array(4);
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constructor(private router:Router,
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private changeDetectionRef: ChangeDetectorRef) {
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