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获取当前周数判断年份是否为润年获取某年某月的天数计算两个日期差几天周获取对应的日期给一个年份和第几周，计算出这周是从几号到几号计算环比日期/*** 获取当前周数*/export function getWeekNumber(y, m, d) { var targetDay = new Date(y, m - 1, d); var year = targetDay.getFullYear(); var month = targetDay.getMonth.

js第几周转成对应的日期范围

2020-3-4转成2020-03-04var d = new Date();var ye = d.getFullYear();var mo = (d.getMonth()+1).toString().padStart(2,'0');var da = d.getDate().toString().padStart(2,'0');var time = ye+'-'+mo+'-'+da;a...