checking scroll position with js

// In your renderer process const {ipcRenderer} = require(‘electron’); const closeApp = document.getElementById(‘closeApp’); closeApp.addEventListener(‘click’, () => { ipcRenderer.send(‘close-me’) }); // In your app main process const {ipcMain} = require(‘electron’) ipcMain.on(‘close-me’, (evt, arg) => { app.quit() }) Here is what the above code is Doing: 1. We’re creating a button in the renderer process that will…

{ $unwind: { path: , includeArrayIndex: , // to include documents whose sizes field is null, missing, or an empty array. preserveNullAndEmptyArrays: } } Here is what the above code is Doing: 1. The $unwind stage takes a field path as a string. 2. The $unwind stage creates a document for each element in the…

const readline = require(‘readline’).createInterface({ input: process.stdin, output: process.stdout }); readline.question(‘Who are you?’, name => { console.log(`Hey there ${name}!`); readline.close(); }); Here is what the above code is Doing: 1. We’re requiring the readline module. 2. We’re creating an interface that takes input from the user and outputs it to the console. 3. We’re asking the…

app.use(bodyParser.json({ limit: ’50mb’ })); app.use(bodyParser.urlencoded({ limit: ’50mb’, parameterLimit: 100000, extended: true })); Here is what the above code is Doing: 1. We are importing the express module and assigning it to the variable express. 2. We are creating an instance of express and assigning it to the variable app. 3. We are importing the body-parser…

const express = require(‘express’) const app = express() const port = 3131 app.listen(port, () => {console.log(‘http://localhost:’+port)}) Here is what the above code is Doing: 1. We’re requiring the express module. 2. We’re creating an express app. 3. We’re setting the port to 3131. 4. We’re telling the app to listen on the port we set….

document.getElementById(‘personlist’).getElementsByTagName(‘option’)[11].selected = ‘selected’ Here is what the above code is Doing: 1. It’s getting the element with the id ‘personlist’ 2. It’s getting all the elements inside that element 3. It’s selecting the 11th element 4. It’s setting the ‘selected’ attribute of that element to ‘selected’