本文主要是介绍JS 数组对象根据下标拆分成新的数组，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
真为难啊！
var arr = [
{guigeArr:['蓝色','XL','3','S']},
{guigeArr:['蓝色','L','6','S']},
{guigeArr:['蓝色','L','3','S']},
{guigeArr:['蓝色','XL','6','S']},
{guigeArr:['黑色','XL','3','S']},
{guigeArr:['黑色','L','6','S']},
{guigeArr:['黑色','L','3','S']},
{guigeArr:['黑色','XL','6','S']},
]
var newArr = []
var length = arr[0].guigeArr.length;
for(var i=0;i<length;i ){
var arrs = [];
newArr.push(arrs)
}
console.log(newArr)
// [[], [], [], []]
arr.forEach(({guigeArr})=>{
guigeArr.forEach((v,i)=>{
if(!newArr[i].includes(v))
newArr[i].push(v)
})
})
console.log(newArr)
// [["蓝色", "黑色"], ["XL", "L"], ["3", "6"], ["S"]]
* 备注
includes()
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