回答編集履歴
1
情報の追加。
test
CHANGED
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@@ -37,3 +37,65 @@
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37
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} );
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```**動くサンプル：**[https://jsfiddle.net/h9q78v8c/1/](https://jsfiddle.net/h9q78v8c/1/)
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---
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**追記：**
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48
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49
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50
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51
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こういうことか。
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52
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53
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54
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55
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```JavaScript
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56
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57
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$( function() {
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58
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59
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for ( let i = 1 ; i <= 64; i++ ) {
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60
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61
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let _i = ( '0' + i ).slice( -2 );
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62
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$( '#year' ).append( '<option value="' + _i + '">' + _i + '</option>' );
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64
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65
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}
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66
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67
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for ( let i = 1 ; i <= 12; i++ ) {
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68
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let _i = ( '0' + i ).slice( -2 );
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70
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71
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$( '#month' ).append( '<option value="' + _i + '">' + _i + '</option>' );
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}
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for ( let i = 1 ; i <= 31; i++ ) {
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let _i = ( '0' + i ).slice( -2 );
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78
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$( '#day' ).append( '<option value="' + _i + '">' + _i + '</option>' );
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80
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81
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}
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83
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$( 'select' ).on('change', function() {
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if ( $( this ).val() ) {
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$( this ).addClass( 'sl' );
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} else {
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$( this ).removeClass( 'sl' );
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}
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} );
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} );
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```**動くサンプル：**[https://jsfiddle.net/h9q78v8c/2/](https://jsfiddle.net/h9q78v8c/2/)
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