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JavaScript - custom implementation of Map class

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Created by:
Welsh
902

In this article, we would like to show how to create custom implementation of Map class in JavaScript.

That implementation may be used in older JavaScript than ES2015, where Map class is not supported.

Practical example

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The main reason why array and object are used together is added items order keeping.

 

References

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  1. Map class - MDN docs
1
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