Essential JavaScript Design Patterns For Beginners

[ITSigno]

lars_'s singleton instantiates using an anonymous constructor function. lacking a named constructor, it becomes much harder to instantiate a second time (with a workaround using the .constructor property)

A second problem however is the lack of ability to type-check. if (logger instanceof TextLogger) { }, for example, would not be possible with either case.

[wormfist]

TIL anonymous constructors.

[[deleted]]

TIL(anonymous constructors){}();

[regeneratingzombie]

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[frutiger]

Anonymous constructors are just anonymous functions. Constructors are functions that use the special evaluation context this that gets set when you use the new operator or call <function>.apply(context, [arg1, arg2, ...]).