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所以,如果我想刪除數組項築巢我絕對可以做到這一點:如何陣列的Javascript嵌套添加到項目
var nestedArrs = [[1],[2],[3],[4],[5]];
var denestedArr = [].concat.apply([], nestedArrs);
console.log(denestedArr) //prints [1, 2, 3, 4, 5];
,但是,如果我需要往回走,並添加嵌套什麼?
var unnestedArr = [7, 8, 9, 10];
var nestedArr = [] ? // Say I want to add nesting to every other item in arr
console.log(nestedArr); //so I wanted it to print [[7], 8, [9], 10]
//& nested Arr needs to be based upon the starting unnestedArr.