I’m worried about the memory increase. If I use require as below, does the class create memory every time? ———— a.js ————-` class a { constructor(){ } } module.exports = new a(); ————— const IsMemoryIncrease = require(‘a’); >Solution : Run this // b.js const IsMemoryIncrease1 = require(‘./a’); const IsMemoryIncrease2 = require(‘./a’); console.log(IsMemoryIncrease1); console.log(IsMemoryIncrease2); console.log(IsMemoryIncrease2 ==… Read More If module.exports creates a new class, is it newly created if called with require? Or does it only work with one? in node.js

I am checking if a user is logged in a route called forum. I am importing it like this. The file is routes/forum.js const isloggedinimport = require(‘../index’) I have the function on index.js const isloggedin = (req,res,next) => { if(req.user) { next() } else { res.render(‘loginerror’,) } } I am exporting with module.exports = isloggedin… Read More Error: Route.get() requires a callback function but got a [object Undefined] while using imported function

Hi I’m having problems with the scope of an if in a JavaScript module. Here is a mock up of my code : module.exports = { caser(nb){ if(0 === 0){ nb = 3+2 } } } The function is called from another JavaScript file. Nb however doesn’t change when I do this. My editor (visual… Read More if can't access parameter in JavaScript module