数组标识符中的数据必须可转换为类型化数组的数据类型。

The data in the array literal must be convertible to the data type of the typed array.

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当脚本创建或初始化数组时，它就会设置类型化数组中元素的数量。

When the script creates or initializes the array, it sets the number of elements in a typed array.

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首先，将数组标识符转换为类型化数组，后者用于初始化类型化数组。

First, the array literal is converted to a typed array, which is used to initialize the typed array.

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