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How to print a nest list of map with Javascript

I have a function which converts a set of Javascript objects into a map. However, I get an object which cannot be navigated for its values; Here is the sample json Here is my function to convert to a map: Here is how I try to use and print the map: However, I get for some this key, salesIndex, [object

How to Make This Drag n Droppable

I’m trying to make a form element drag and droppable, but I can’t make it work. Any ideas? I’m trying to make it be able to be dropped into another element. Here is the code for the form element: Answer The code below is based on the HTML5 Drag and Drop API. When you drop it into a box, it

how to use setTimeout on a react component

This question might be simple to most web developers but I am pretty new and cannot figure out the way to put a settimeout function on what I would like to show on a page. below is the example of the code I would like to add a timeout for. and here is my app.jsx which then will be exported

get values from an html table

I need to write a website that calculates the inverse matrix. I have a table. I also wrote a function to resize the table. I need the entered values to be read into a two-dimensional array (arr), and I can use this array as a function argument (PrintMatrix(arr)). I’m new to this and I’m not very g…

location props in gatsby is not defined

I am trying to use location props in my gastby page : I am passing props in my Link in pages/index.js: pages/date/[dateId]/index.js: eventually I get an error Parsing error: Identifier ‘location’ has already been declareded : Answer You should have the location variable already defined, it is like…