merge-ranges:合并重叠的数值范围

合并范围 合并重叠的数值范围 安装 npm install --save merge-ranges 用法 var mergeRanges = require ( 'merge-ranges' ) ; console . log ( mergeRanges ( [ [ 1 , 3 ] , [ 11 , 14 ] , [ 2 , 7 ] , [ 9 , 12 ] , [ 15 , 19 ] ] ) ) ; //=> [ [1, 7], [9, 14], [15, 19] ] 范围按最低的起始编号排序。 例子 日期范围 var dates = [ [ new Date ( 'Sat, 08 Aug 2015 06:04:50 +0000' ) , new Date ( 'Wed, 12 Aug 2015 06:04:50 +0000' ) ] , [ new D