亲测可用的js多维数组转一维数组

参考博客：http://www.cnblogs.com/haoxl/p/6818657.html

法一：将数组转为字符串再转为数组，缺点是数组中每项成字符串了

var arr = [1,[2,[[3,4],5],6]];var arr2 = arr.join(',').split(',');console.log(arr2);//["1", "2", "3", "4", "5", "6"]//或

var c=[1,3,4,5,[6,[0,1,5],9],[2,5,[1,5]],[5]];console.log(c.toString().split(','))

法二：递归

var arr = [1,[2,[[3,4],5],6]];var newArr = [];    function fun(arr){        for(var i=0;i<arr.length;i++){            if(Array.isArray(arr[i])){                fun(arr[i]);            }else{                newArr.push(arr[i]);            }        }    }fun(arr);console.log(newArr);//[1, 2, 3, 4, 5, 6]