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Tag: data-structures

Array of products arrange by category

I’m trying to arrange this array of products by categories. For now, I get the count of each category but I can’t figure out how to make this two dimension array output. This is my code for now: Answer You can group elements by reducing over the array using an object to store elements belonging to each category. To get

NodeJs heap-js module: Heap is not a constructor

I am trying to initialize a minimum heap/priority queue in my server.js using the head-js module (https://github.com/ignlg/heap-js). When I run my code, I receive the following error: TypeError: Heap is not a constructor However, according to the documentation, I am initializing the heap correctly, putting in a custom constructor as the parameter. Below is my code: Answer There’s a difference

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