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js中如何创建变化的数组名

创建变化的数组名,比如创建arr0,arr1,arr2的数组名,可以通过for循环创建吗?


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理论上Javascript变量声明是在编译阶段得到的,所以无法通过声明变量名的形式进行存储,但是可以存储为对象的属性,因为可以用obj[prop]的形式声明变量。

比如

var obj = {};
for(let i=0; i<5; i++){
    obj['arr'+i] = [];
}

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