JavaScript原生数组函数的相关内容

文章 2021-11-13 来自：开发者社区

有趣的JavaScript原生数组函数

在JavaScript中，可以通过两种方式创建数组，Array构造函数和 [] 便捷方式，其中后者为首选方法。数组对象继承自Object.prototype，对数组执行typeof操作符返回‘object’而不是‘array’。然而执行[] instanceof Array返回true。此外，还有类数组对象使问题更复杂，如字符串对象，arguments对象。arguments对象不是Array....

文章 2017-08-01 来自：开发者社区

有趣的JavaScript原生数组函数

在JavaScript中，创建数组可以使用Array构造函数，或者使用数组直接量[],后者是首选方法。Array对象继承自Object.prototype,对数组执行typeof操作符返回object而不是array。然而，[] instanceof Array也返回true。也就是说，类数组对象的实现更复杂，例如strings对象、arguments对象，arguments对象不是Ar...

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更新时间 2022-07-27 12:10:36

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