To wipe an array in JavaScript, you remove every item but keep the variable. JavaScript offers a few ways to do this. This post looks at various ways to clean out an array showing you how to do it with code steps. 1. Making the Length Zero It’s quick and popular to just set the …
In the realm of web development, performance is a critical factor that can significantly impact user experience. As applications become more complex and data-intensive, the demand for high-performance computing (HPC) in the browser has surged. Enter WebAssembly (Wasm), a powerful technology that allows developers to run code at near-native speed in the browser. In this …
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When working with Node.js applications, performance optimization is crucial to ensure efficient resource usage, fast execution, and a smooth user experience. One of the best ways to analyze and improve performance is by using v8-profiler, a tool that provides insights into CPU and memory usage. 1. What is v8-profiler? v8-profiler is a package that allows …
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Imagine if you had to wake up every morning and manually send emails, clean up logs, or remind yourself to drink water. Sounds exhausting, right? Well, that’s where Node-cron comes in! It’s like your personal assistant that lets you schedule tasks in your Node.js applications. Why Use Node-cron? Instead of running tasks manually, Node-cron lets …
2)Web applications often rely on static files such as HTML, CSS, JavaScript, images, and fonts to function properly. These files don’t change dynamically and must be served quickly to users. Instead of manually handling every file request, Node.js provides an efficient way to serve static content. Using Express.js, a lightweight and flexible Node.js framework, makes …
Steps for Installing and Connecting MongoDB to a Node.js App :- Step 1: Install MongoDB Before you can use MongoDB in your Node.js app, you need to install MongoDB itself. You have two options here: installing MongoDB on your local machine or using a cloud-based MongoDB service (MongoDB Atlas). For Windows, you can go to …
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Welcome to today’s tutorial! In this session, we’ll walk through how to set up a Node.js project and integrate it with MongoDB, a NoSQL database. This guide is designed to help you get a basic project up and running, using MongoDB to store data and Node.js to handle the backend. Prerequisites Before we get started, …
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For JavaScript programming, you might want to grab just a part containing the first N characters from a string. This comes in especially handy while reducing the long text in case of creating a preview or formatting user input. Here’s how one can keep only the first N characters in a JavaScript string. With code …
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Don’t know how to figure out the type of an element when dealing with JavaScript and DOM (Document Object Model)? Here is the answer. The element type can be useful for the implementation of special styles, event handling, or DOM manipulation. In this article, we will discuss several techniques that can be used to get …
install multer npm install multer express create a file upload.js const express = require(“express”); const multer = require(“multer”); const app = express(); const port = 3000; // Configure multer for file uploads const storage = multer.diskStorage({ destination: (req, file, cb) => { cb(null, “uploads/”); }, filename: (req, file, cb) => { cb(null, Date.now() + “-” …