The mappings between keys and keycodes are device and operating system dependent. ASCII values, on the other hand, are available in the ActionScript documentation.
在键和键代码之间的映射是依赖设备和操作系统。ASCII值,在另一方面,在AS文档中是可用的。
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Some frameworks also provide a series of standardized keycodes that represent keyboard-based events (such as hitting the Escape key, Return key, cursor keys, and so forth).