回答編集履歴
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調整
answer
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@@ -1,7 +1,7 @@
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1
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```javascript
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2
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var start=new Date(2019,10,1).getTime();
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var end =new Date(2020,0,31).getTime();
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-
var count=(end-start)/(60*60*24*1000);
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4
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var count=(end-start)/(60*60*24*1000) + 1;
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var day=3;
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var disable = [new Date('November 20, 2019').getTime(),new Date('January 01, 2020').getTime()];
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var days=Array(count).fill(null).map((x,y)=>start+y*60*60*24*1000).filter(x=>new Date(x).getDay()==day&&disable.indexOf(x)==-1).map(x=>new Date(x));
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