You can truncate a string to a specified length in JavaScript using various methods. One common approach is to use the `slice()` method to extract a portion of the string up to the desired length. Here’s an example function that truncates a string to a specified length: function truncateString(str, maxLength) …

To split a JavaScript string into words, you can use the split() method, which divides a string into an array of substrings based on a specified separator. If you want to split the string into words, you can use a regular expression as the separator to split the string wherever …

A callback function, in programming, is a function that is passed as an argument to another function and is executed after some operation or event has occurred. Callback functions are commonly used in asynchronous programming, where tasks are performed concurrently and the program doesn’t wait for one task to finish …

Certainly! Here are a few JavaScript code snippets that are commonly used in interviews, along with their explanations: Reverse a String: Question:Write a function to reverse a string. Answer:javascript function reverseString(str) { return str.split('').reverse().join(''); } Check for Palindrome: Question:Write a function to check if a given string is a palindrome. …

1. What is HTML? HTML stands for HyperText Markup Language. It is the standard markup language used to create and structure content on the web. HTML is used to define the structure and presentation of web documents, including text, images, links, forms, and other elements. 2. What are the basic …

1.) What is React and how does it work? React is a JavaScript library for building user interfaces. It allows developers to create reusable UI components and efficiently update them when the underlying data changes. React uses a virtual DOM (Document Object Model) to optimize rendering performance by minimizing direct …

JavaScript supports several types of functions. Here are some commonly used function types in JavaScript: Named Function: A function with a specified name that can be called using its name. For example: function add(a, b) { return a + b; } Anonymous Function: A function without a name, often assigned …

Q1: What are microservices? A1: Microservices are a software architecture pattern where an application is built as a collection of small, loosely coupled, and independently deployable services. Each service is responsible for a specific business capability and can be developed, deployed, and scaled independently. Q2: What are the benefits of …

1.) What is JavaScript? JavaScript is a high-level, interpreted programming language primarily used for building interactive web pages and web applications. It provides dynamic functionality, enables client-side and server-side scripting, and can be used alongside HTML and CSS to create dynamic web content. 2.) What are the different data types …

Solution:- Go to Jest-config.js and put this command that is transformIgnorePatterns: ["<rootDir>/node_modules/(?![a-z])"], Save and Run it you program/application will work. Thank you.

Solution – 1 – Using Arithmetic Operators function swapNumb(a, b){ console.log('Before swap Output: ','a: ', a, 'b: ', b); b = b -a; a = a+ b; b = a-b; console.log('After swap Output: ','a: ', a, 'b: ', b); } swapNumb(2, 3); Solution – 2 – Using Bitwise XOR function …

What is the Fibonacci series? Fibonacci series is the series of numbers that are calculated by adding the values of the previous two numbers in the sequence. The first two numbers of the sequence are zero and one. It is also known as the golden ratio. We can represent the …

function promiseExample(){ const promise = new Promise((resolve, reject) =>{ resolve('successfully!'); }) .then((resolve) => console.log(resolve)) .catch((reject) => console.log(reject)); return promise; } promiseExample() I have a create simple code example for promises. you can easily check. how to resolve is working? and how to reject is working?

import React, { useState, useEffect } from "react"; // Use can use css from this file: import "./styles.css"; const url = "https://jsonplaceholder.typicode.com/posts"; function App() { const [userData, setUserData] = useState({}); const getUserData = async () => { const response = await fetch(url); const jsonData = await response.json(); setUserData(jsonData); }; useEffect(() …

You are given a two-digit integer n. Return the sum of its digits. Example For n = 29, the output should be solution(n) = 11. Input/Output [execution time limit] 4 seconds (js) [input] integer n A positive two-digit integer. Guaranteed constraints: 10 ≤ n ≤ 99. [output] integer The sum …

Given an array of integers a, your task is to count the number of pairs i and j (where 0 ≤ i < j < a.length), such that a[i] and a[j] are digit anagrams. Two integers are considered to be digit anagrams if they contain the same digits. In other …

This blog post is a follow up to my previous blog post, which explained how to manage the display of error message on A2C section. By adding one mixin, you will be able to manage the position of error message on any form on any page. Let’s get the show …

If you are reading this, you are probably looking for an easy way to add static content to the Checkout address fieldset. If you open the Magento Checkout module, you will notice technology complexity of the Magento Checkout. When you consider Knockout, HTML, PHTML, XML, JS – such a mix …

You did it – you finally did it! You’ve implemented all recommended schema.org types and properties throughout your Magento store only to see Google Merchant Center warning you for “Insufficient match of microdata price information”. Let’s admit it – we’ve all been there at least once. Although we don’t usually …

Each time someone searches a particular product online, they end up on a SERP that (in most cases) includes a gazillion results. Since the chances of browsing through all of these links are little to none, it’s essential to make your business stand out. The best way to do it …