var arr=new Array(["A","B"],["C","D"],["E","F"],["A","C"],["D","F"],["E","A"],["A","F"]);var output_arr=new Array();//找出出現(xiàn)過(guò)三次及以上的元素,寫(xiě)入到output_arr這個(gè)一維數(shù)組中//"A"出現(xiàn)了4次，"F"出現(xiàn)了3次output_arr = ["A","F"];
二維數(shù)組中找到出現(xiàn)多次的元素
繁星淼淼
2018-11-05 12:14:34
