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It's common in Javascript for functions to accept different argument types and to also return different types. In this lesson we learn how to 'teach' 阅读全文
posted @ 2016-06-17 00:39
Zhentiw
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slice filter map ...spread concat Object.assign 阅读全文
posted @ 2016-06-16 04:35
Zhentiw
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delete keyword doesn't actually delete the value but just the reference. So here, what actually delete is the point of me.name: So the point from 'anm 阅读全文
posted @ 2016-06-14 20:17
Zhentiw
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In this lesson, you will learn the difference between the exports statement and module.exports. Two examples are demonstrated, each accomplishing the 阅读全文
posted @ 2016-06-14 03:43
Zhentiw
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First, what is 'High Order function', basic just a function, inside the function return another fuction. For example: Decorators is a subset of high o 阅读全文
posted @ 2016-06-14 03:10
Zhentiw
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TypeScript allows you to generate definition files for your own libraries. This lesson shows you how to organize your project and generate the definit 阅读全文
posted @ 2016-06-14 02:06
Zhentiw
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When multiple decorators apply to a single declaration, their evaluation is similar to function composition in mathematics. In this model, when compos 阅读全文
posted @ 2016-06-13 21:24
Zhentiw
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new.target is a new “magical” value available in all functions, thoughin normal functions it will always be undefined. In any constructor,new.target a 阅读全文
posted @ 2016-06-13 20:50
Zhentiw
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Each function should have a 'name' property. It can be anonymous, empty, the same as function name, or class name. For example: 阅读全文
posted @ 2016-06-13 17:24
Zhentiw
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Original artial --> link How descorator looks like: Descorator in action: We have a class, which have an method call meow(): When Javascritp Engine re 阅读全文
posted @ 2016-06-13 04:32
Zhentiw
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