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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
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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
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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
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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
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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
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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
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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
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Orgial aritial --> Link The problem with Angular 1 DI: Angular 2 DI: Solve the singletons problem: The service you inject to the parent component can 阅读全文