For front-end application development requires it to provide powerful data manipulation functions, friendly interface, simple and convenient use of such features.
而对于前端应用程序的开发则要求它能提供强大的数据操纵功能，界面友好、使用简单方便等特点。
As part of a new DataBlade module, these data types come with string manipulation functions to validate the data types and bitwise operation functions.
作为DataBlade模块的一部分，这两种数据类型还附带了用于验证数据类型的字符串操纵函数和位操作函数。
Listing 20 shows a new version of the function that takes advantage of several list data structures and the various list-manipulation functions described earlier.
清单20显示了修改后的函数，它利用了几个列表数据结构和前面描述的各种列表操作函数的优势。
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