Dive into the world of JavaScript – the dynamic scripting language revolutionizing web development. Uncover its versatility, agility, and essential role in creating interactive and seamless online experiences.
ByVed Maurya
Updated
Find out the difference between the var functionOne = function() {} AND function functionTwo() { } The difference is that functionOne is a function expression and so only defined when that line is reached, whereas functionTwo is a function declaration and is defined as soon as its surrounding function or script is executed For…
ByVed Maurya
Updated
Example code to find out if a string contains a substring in JavaScript. It can be achieved through ECMAScript 6 introduced String.prototype.includes in ECMAScript 5 or older environments use String.prototype.indexOf, which returns -1 when a substring does not exist.
ByVed Maurya
Updated
Java script closures is very important topic for any JavaScript developer.It is widely used in any JavaScript based framework. Closures in JavaScript is an inner function in a outer function, which have access to its outer function scopes. Outer function encapsulating the data, privacy and organization using the closures. A…
ByVed Maurya
Updated
We can use window.location.replace(…) as well as window.location.href to perform the redirection. replace() does not keep the originating page in the session history, meaning the user won’t get stuck in a never-ending back-button fiasco. When to use: If you want to simulate an HTTP redirect, use location.replace If you want to simulate…
ByVed Maurya
Updated
This is the concept usually asked in the JavaScript interviews, but mostly developers does not give the answers, As its uncommon to use in the programming. Strict Mode is a new feature in ECMAScript 5 that allows you to place a program, or a function, in a “strict” operating context….
ByVed Maurya
Updated
Removing and adding item / element in a array is very common thing by a JavaScript developer. Here we have the Fastest Way to Remove a Specific Item from an Array. Below the JavaScript Program to Remove Specific Item From an Array. Example: we have an array [25, 51, 19]…
ByTechWriter
Updated
Deep cloning of any object is very common coding practice for any developer. Java script developers use the cloning everyday in their coding. Here I am going to elaborate the most efficient way to deep clone an object in JavaScript. Cloning with JSON.parse/JSON.stringify This method is not secure as could…
![Top 31 Node.js Interview Questions and Answers [Updated]](https://seoinfotech.com/wp-content/uploads/2021/01/nodejs-interview-300x136.jpg)
ByTechWriter
Updated
For professionals employed as full-stack developers or backend developers, acquiring proficiency in Node.js has become imperative. Being well-versed in Node.js is now a crucial skill for anyone in these roles. Prioritizing the preparation of node.js and responses is essential for success in interviews across the industry. The categorization of Node.js…
ByTechWriter
Updated
Redux is a predictable state container for JavaScript apps. It helps you write applications that behave consistently, run in different environments (client, server, and native), and are easy to test. Redux can be used with any library. It’s a popular library for managing state in React apps. It can offer…
ByTechWriter
Updated
Angular Material provides an out-of-the-box drag-and-drop feature, allowing users to reorder table columns seamlessly. This powerful user interface feature is introduced through the DragDropModule in Angular versions 7 to 16. Angular Mat-table and column reordering I will teach you how to change column reordering to an angular material 9 mat-table….
ByTechWriter
Updated
What is Singpass authentication? Using SingPass/CorpPass user can login to the application and also retrieve the government data to fill the form automatically for KYC purpose. What is the role of Singpass? Singpass facilitates millions of personal and corporate transactions annually, covering a significant portion of the population aged 15…
ByTechWriter
Updated
Few years back, load balancing of the application was typically used in large organization using the complex load balancers. It was managed by the experts of the technical team and was very costly. Now a days Internet is available easily to everyone and become a necessity. So most applications and…