Decorators and forwarding, call/apply
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In the code above cachingDecorator is a decorator: a special function that takes another function and alters its behavior. Passing all arguments along with the context to another function is called call forwarding. And, when called like that, the function gets this = undefined. There’s a special bui
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- In the code above cachingDecorator is a decorator: a special function that takes another function and alters its behavior.
- Passing all arguments along with the context to another function is called call forwarding.
- And, when called like that, the function gets this = undefined.
- There’s a special built-in function method func.call(context, …args) that allows to call a function explicitly setting this.
- The trick is called method borrowing.
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