js一行代码解实现数组去重和排序
//数组去重
方法一: function dedupe(array){ return Array.from(new Set(array)); } console.log(dedupe([4,6,0,1,1,2,4,0,3]));//[4, 6, 0, 1, 2, 3] 方法二: function dedupe(array){ return [...new Set(array)]; } console.log(dedupe([4,6,0,1,1,2,4,0,3]));//[4, 6, 0, 1, 2, 3]
//数组排序
function Sort(array){ return array.sort(function(a, b){ return a - b;//正序 }); } console.log(Sort([3,7,12,2,22,10,43,32,1]));//[1, 2, 3, 7, 10, 12, 22, 32, 43]