回答編集履歴
1
補足の追加。
test
CHANGED
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@@ -27,3 +27,49 @@
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27
27
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}
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28
28
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29
29
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```
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30
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+
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31
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+
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32
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33
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---
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34
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+
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35
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36
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37
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**追記：**
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38
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+
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39
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+
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40
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+
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41
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こっちのほうが少し短い。
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42
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+
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43
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44
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45
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```JavaScript
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46
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+
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47
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var list = [ 'a', 'b' ];
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48
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49
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list.forEach( function( c ) {
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50
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51
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$( '#' + c + '_btn' ).click( function() {
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52
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53
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if ( $( '.' + c + '_cont' ).css( 'display' ) === 'none' ) {
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54
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55
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$( '#' + c + '_cont' ).slideDown();
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56
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57
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} else {
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58
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59
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$( '#' + c + '_cont' ).slideUp();
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60
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61
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}
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62
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63
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} );
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64
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+
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65
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} );
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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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70
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71
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【Array.prototype.forEach() - JavaScript | MDN】
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72
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73
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[https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach](https://developer.mozilla.org/ja/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach)
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74
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+
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75
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