The JavaScript has substring() method returns the part of the string between the start and end indexes, or to the end of the string. But slice() also another way to get substring from…
We can execute external command or any process from the node js. With the help of child_process module we can achieve it. 1. var spawn = require('child_process').spawn, ls = spawn('cmd.exe',…
The btoa() function takes a JavaScript string as a parameter. In JavaScript strings are represented using the UTF-16 character encoding: in this encoding, strings are represented as a sequence of 16-bit (2…
Objects in JavaScript can be thought of as maps between keys and values. We can remove these keys, more commonly known as object properties. In this tutorial, we will learn…
There may be a requirement to merge or flatten the array of array for better representation or readability. There are various ways to achieve this in javascript. We will try…
In many scenarios, we want to detect the screen size or resolution in our web app. The browser provides us 'Screen' object which contains screen-related information. to access screen object…
JavaScript is a powerful programming language for web development. If we know its useful feature then we can improve our coding speed and productivity. Lets learn these powerful feature. #1.…
Visual Studio Code has a powerful command-line interface built-in that lets you control how you launch the editor. You can open files, install extensions, change the display language, and output diagnostics through command-line options (switches).
