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JavaScript数组的十八般武艺

 5 years ago
source link: https://juejin.im/post/5b684ef9e51d451964629ba1
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数组 数组是值的有序集合，每个值叫做一个元素，而每个元素在数组中有一个位置，以数字表示，称为索引。 JavaScript数组的索引是基于零的32位数值，第一个元素索引为0，数组最大能容纳4294967295（即2^32-1）个元素。 JavaScript

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