摘要：
One particularly useful string method is format. The format method is used to construct strings by inserting values into template strings. Consider th 阅读全文
posted @ 2017-11-13 20:13
Zhentiw
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For example we have an object: We shallow copy it: Verify that shallowCopy is not todo: Change text prop of shallowCopy to somethingelse: But if we wa 阅读全文
posted @ 2017-11-13 17:59
Zhentiw
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摘要：
TypeScript’s discriminated union types (aka tagged union types) allow you to model a finite set of alternative object shapes in the type system. The c 阅读全文
posted @ 2017-11-13 17:48
Zhentiw
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