回答編集履歴
3
リファクタリング
test
CHANGED
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@@ -36,7 +36,9 @@
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36
36
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37
37
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$("input.option_item:checked").each(function(index, item){
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38
38
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39
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-
total_price = total_price + Number($(item).data('price'));
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39
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+
// total_price = total_price + Number($(item).data('price'));
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40
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+
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41
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total_price = total_price + $(item).data('price'); // Number不要でした。暗黙的に数値にしてくれます
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40
42
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41
43
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});
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42
44
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@@ -56,11 +58,15 @@
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56
58
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57
59
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if (option_item.prop('checked')) {
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58
60
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61
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+
// total_price = total_price + Number(option_item.data('price'));
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62
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+
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59
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-
total_price = total_price +
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63
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total_price = total_price + option_item.data('price');
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60
64
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61
65
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} else {
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62
66
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67
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// total_price = total_price - Number(option_item.data('price'));
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68
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+
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63
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-
total_price = total_price -
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69
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total_price = total_price - option_item.data('price');
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64
70
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65
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}
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66
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2
コード追加
test
CHANGED
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@@ -27,6 +27,24 @@
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27
27
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28
28
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29
29
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``` js
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30
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+
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31
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+
let total = $("#total_price");
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32
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33
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let total_price = Number(total.data("price"));
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34
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+
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35
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// 合計金額の初期化
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36
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+
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37
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$("input.option_item:checked").each(function(index, item){
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38
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39
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total_price = total_price + Number($(item).data('price'));
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40
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+
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41
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});
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42
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+
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43
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total.data('price', total_price);
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44
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45
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total.text(total_price.toLocaleString());
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46
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47
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+
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30
48
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31
49
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// チェックボックスクリック時の処理
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32
50
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1
リンクの誤りを修正しました
test
CHANGED
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@@ -62,4 +62,8 @@
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62
62
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63
63
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64
64
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65
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-
[https://jsfiddle.net/euledge/5qtbr0cz/](https://jsfiddle.net/euledge/5qtbr0cz/)
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65
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+
~~[https://jsfiddle.net/euledge/5qtbr0cz/](https://jsfiddle.net/euledge/5qtbr0cz/)
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66
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67
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~~
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68
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69
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[https://jsfiddle.net/euledge/1xpLz65t/](https://jsfiddle.net/euledge/1xpLz65t/)
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