Understanding unique keys for array children in React.js

I'm building a React component that accepts a JSON data source and creates a sortable table. Each of the

Wei

0 1 0 9

asked 07 September, 2021

React-router urls don't work when refreshing or writing manually

I'm using React-router and it works fine while I'm clicking on link buttons, but when I refresh my w

Robyn

0 1 0 9

asked 07 September, 2021

What is the difference between React Native and React?

Karolyn

0 1 0 9

asked 07 September, 2021

How to pass props to {this.props.children}

I'm trying to find the proper way to define some components which could be used in a generic way: <Pa

Robyn

0 1 0 9

asked 07 September, 2021

What does the three dots notation do in Javascript?

What does the ... do in this React (using JSX) code and what is it called? <Modal {...this.props} title=&a

Carmelina

0 1 0 9

asked 07 September, 2021

Loop inside React JSX

I'm trying to do something like the following in React JSX (where ObjectRow is a separate component): <

Forrest

0 1 0 9

asked 07 September, 2021

How can I print a circular structure in a JSON-like format?

I have a big object I want to convert to JSON and send. However it has circular structure. I want to toss what

Forrest

0 1 0 9

asked 07 September, 2021

How do I convert an existing callback API to promises?

I want to work with promises but I have a callback API in a format like: 1. DOM load or other one time event:

Nereida

0 1 0 9

asked 07 September, 2021

module.exports vs exports in Node.js

I've found the following contract in a Node.js module: module.exports = exports = nano = function databas

Scot

0 1 0 9

asked 07 September, 2021

Node.js Best Practice Exception Handling

I just started trying out node.js a few days ago. I've realized that the Node is terminated whenever I ha

Omar

0 1 0 9

asked 07 September, 2021

How to access POST form fields

Here is my simple form: <form id="loginformA" action="userlogin" method="post"> <div>

Kisha

0 1 0 9

asked 07 September, 2021

Error: Can&apos;t set headers after they are sent to the client

I'm fairly new to Node.js and I am having some issues. I am using Node.js 4.10 and Express 2.4.3. When

Eddie

0 1 0 9

asked 07 September, 2021

Sending command line arguments to npm script

The scripts portion of my package.json currently looks like this: "scripts": { "start": "node ./script.js

Kurtis

0 1 0 9

asked 07 September, 2021

In Node.js, how do I "include" functions from my other files?

Let's say I have a file called app.js. Pretty simple: var express = require('express'); var ap

Deedee

0 1 0 9

asked 07 September, 2021

Using Node.js require vs. ES6 import/export

In a project I'm collaborating on, we have two choices on which module system we can use: Importing modu

Chaya

0 1 0 9

asked 07 September, 2021

How can I get the full object in Node.js&apos;s console.log(), rather than &apos;[Object]&apos;?

When debugging using console.log(), how can I get the full object? const myObject = { "a":"a", "b":{

Royal

0 1 0 9

asked 07 September, 2021

Where does npm install packages?

Can someone tell me where can I find the Node.js modules, which I installed using npm?

Sydney

0 1 0 9

asked 07 September, 2021

How do you get a list of the names of all files present in a directory in Node.js?

I'm trying to get a list of the names of all the files present in a directory using Node.js. I want outp

Shantay

0 1 0 9

asked 07 September, 2021

map function for objects (instead of arrays)

I have an object: myObject = { 'a': 1, 'b': 2, 'c': 3 } I am looking for a na

Dusty

0 1 0 9

asked 07 September, 2021

Read environment variables in Node.js

Is there a way to read environment variables in Node.js code? Like for example Python's os.environ[&apos

Joseph

0 1 0 9

asked 07 September, 2021