Seeing the above error when trying to load a page that renders product information that has been pulled from an external API. Error only occurs in production environment and everything runs fine lo...

So I am trying to create a method that mimic exactly what the Array.prototype.map() method does and there is a lot I am confused about. The main problem I suppose comes down to its syntax. I know ...

Full disclaimer upfront for this one - I've been working with react native for around a week or two, and I suspect that I've encountered this issue without fully understanding why! Issue: On each ...

When using the Javascript built in Map, how do you use .map() to iterate over the keys? I know the for...of can be used as shown below: const map = new Map(); map.set(0, 'Zero'); map.set(1, 'One...

Given the following array of member data, I'm to return an array of memberID's for members whose membership status not current. Here's the member data: var members = [ { firstName: ...

I've an array with a list of elements and I'm trying to append this list to an HTML element using template strings: var description = [ 'HTML & CSS', 'Javascript object-oriented programmi...

I have implemented Material UI's tabs successfully by hard-coding the content, but when I tried to make a my hard coded tabs with a .map function to populate the content from a data source (simple ...

New to javascript and trying to learn! I am trying to map through two array of objects, and if a certain property matches, pull in specific information into an array. let result; let arrNames = ...

I have a nodejs express application with an api to return data from a mongodb database. This is my mongoose model: const bookingSchema = new mongoose.Schema({ timestamp: { type: Date, default: ...

I have a functional react component with text that is displayed from a mapped array. How can I limit the character count of {item.description} to 250 characters? import React from "react"; cons...

I have an array which contains objects. I am creating a map of this array to renders the names with a span component. let data = [{"id": "01", "name": "Hi"}, {"id": "02", "name": "Hello"}]; I ha...

I want to render nested array elements. To render elements I used .map but it is not working for second array. Using list=[{value: 'One', list:[{value: 'abc', selected: false}, {value: 'efg', s...

In JavaScript, I have an array, which is array = [true, false] In some cases, I am trying to initialize this array array.map(item => { item = false }) After running the above code, the array ...