質問編集履歴
1
エラーを追記
test
CHANGED
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File without changes
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test
CHANGED
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@@ -31,3 +31,37 @@
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31
31
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});
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32
32
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33
33
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```
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34
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+
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35
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```jsx
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36
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+
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37
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//TypeError: this.setState is not a functionになる
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38
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39
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let map = document.getElementById("map");
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40
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41
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var lastInnerWidth = map.clientWidth;
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42
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43
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window.addEventListener("resize", function() {
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44
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45
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if (lastInnerWidth != map.clientWidth) {
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46
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47
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lastInnerWidth = map.clientWidth;
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48
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49
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}
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50
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51
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let boxSize = (lastInnerWidth - 100) / 5;
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52
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53
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this.setState({
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54
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55
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mapWidth: lastInnerWidth,
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56
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57
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boxWidth: boxSize
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58
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59
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});
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60
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61
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console.log(this.state.mapWidth);
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62
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63
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console.log(this.state.boxWidth);
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64
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65
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});
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66
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+
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67
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```
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