In web development, the Document Object Model (DOM) is a programming interface for web documents. It represents the page so that programs can change the document structure, style, and content. The DOM represents the document as nodes and objects. That way, programming languages can interact with the page. The DOM is essentially a tree-like structure …
In JavaScript, a prototype is an object that is associated with every function and allows you to share properties and methods between multiple instances of that function. Every JavaScript function has a prototype property, which is an object that contains properties and methods that are shared by all instances of that function. When a new …
What is SDLC? SDLC stands for Software Development Life Cycle, which is a process used by software development teams to plan, design, build, test, and deploy software applications. SDLC is a systematic and structured approach to software development that provides a framework for managing the entire process from start to finish. There are several different …
Top 10 Cloud Computing Interview Questions and Answers for Successful Job Interview What is cloud computing, and how does it differ from traditional computing? Cloud computing is a model for delivering computing resources over the internet, on-demand. It allows users to access and use computing resources, such as servers, storage, and applications, without having to …
The Best Repositories for Collaborative Coding: From GitHub to Bitbucket A code repository is a storage location for code and other related files, such as documentation, images, and configuration files. The purpose of a code repository is to provide a central location where code can be stored, shared, and collaborated on by multiple developers. Code …
Next.js is a JavaScript framework for building web applications that is built on top of React.js. It provides a set of features and tools that make it easy to develop and deploy web applications, and it is particularly well-suited for server-rendered React applications. One of the main advantages of Next.js is its built-in support for …
Next.js vs React.js: A Deep Dive into the Features and Comparisons” Read More »
Build tools are essential for streamlining the development process and automating tasks such as transpiling code, minifying files, and creating a production build. As a frontend developer, it is important to choose the right build tools to ensure that you are working efficiently and effectively. Here are some of the best build tools for frontend …
In JavaScript, a higher-order function is a function that takes one or more functions as arguments, or returns a function as its result. Higher-order functions are a powerful tool in JavaScript and are commonly used in functional programming. Here are a few examples of higher-order functions in JavaScript: The map() function is a higher-order function …
React is a JavaScript library for building user interfaces that was developed by Facebook in 2013. It is often used for building single-page applications and mobile applications, and has become one of the most popular JavaScript libraries in the world. In this article, we’ll explore what React is, how it works, and why it has …
Single sign-on (SSO) is a user authentication process that allows a user to access multiple applications with a single set of login credentials. With SSO, the user only needs to enter their login information once, and they will be automatically logged in to all of the other applications they have been granted access to. This …
Vue.js is a lightweight, easy-to-learn JavaScript library that allows developers to build interactive web interfaces. It is a progressive framework, meaning that it can be used incrementally, starting with small pieces of functionality and adding more as needed. Vue.js is designed to be easy to pick up and integrate into a project, which makes it …
A design system is a set of standardized guidelines and components that can be used to build a consistent and cohesive user interface for a product or service. It serves as a reference for designers and developers, helping them create a cohesive user experience across different platforms and devices. A design system typically includes elements …
There are many popular JavaScript frameworks to choose from, and the best one for your project will depend on your specific needs and preferences. Some of the most popular JavaScript frameworks include: React https://reactjs.org/ A powerful and flexible JavaScript library for building user interfaces. It is widely used for building single-page applications (SPAs) and mobile …
If you are using command line you can use below commands in the terminal of the project directory: touch will create .gitignore file if it doesn’t exist echo and >> will append node_modules/ at the end of.gitignore file After node_modules/ folder is added to the .gitignore file, this folder and all subfoders will be ignored …
How to create gitignore file to execule node_modules folder Read More »
Even and odd numbers sum from an array using javascript Input an array as an argument to evenOddSums function and display sum or even and odd numbers
Add all numbers entered as function parameters Method 1 Method 2
Edge Side Includes (ESI) is a small markup language for edge level dynamic web content assembly. The purpose of ESI is to tackle the problem of web infrastructure scaling. It is an application of edge computing. More details can be found on wikipedia ESI element tags are inserted into HTML or other text based content …
Lets create index.html file which will include the basic html code.Now create a div with class menu and a header tag with class logo and three span tags to make the humburger menu (three lines) which I will animate on toggle and turn into a cross. Middle line (span tag) will fade out on click …
Create a humburger menu using html, css and javascript Read More »
~ Tilde: ~ freezes major and minor numbers. It is used when you’re ready to accept bug-fixes in your dependency, but don’t want any potentially incompatible changes. The tilde matches the most recent minor version (the middle number). ~1.2.3 will match all 1.2.x versions, but it will miss 1.3.0. Tilde (~) gives you bug fix releases ^ Caret: ^ freezes …
What is caret (^) and tild(~) in version control Read More »
I am trying to clone a Github repo but getting below proxy error on Mac Pro. I have not configured any proxy server. To solve this issue, I had to reset all configurations as below:
What is NODE.JS? NodeJS is a javascript runtime, its not a language or framework It is built on V8 javascript engine same as google chrome It is written in C++ It allows you to run javascipt code on the server Why should you use NODE? It’s extremely fast, efficient and scalable It uses event driven, …
Tools to check javascript security vulnerabilities 1) npm installIf you are using npm install in your application, make sure you keep all packages updated to the latest versions. 2) Snyk toolYou can signup for Synk tool for free and add repo to check issues.Synk can be integrated with Github repository and it can create pull …
Google Geocoding API to display address details including latitude and longitude Create your own Google API key and update YOUR_API_KEY in the src/script.js https://developers.google.com/maps/documentation/javascript/get-api-key Use HTML, Javascript and CSS Include axios CDN or you can use npm install Inlude bootstrap CDN or use npm install Address search results using Google Geocodig API Step 1 – create an …
Google Maps API to display map with different types of markers for multiple locations First you will need to get Google Maps API key from below link: https://developers.google.com/maps/documentation/javascript/get-api-key Update this API key at YOUR_API_KEY in index.html Step 1 – create an index.html which is used to display map in the div section where id is …
This is a simple todo application design using html, css and vanilla javascript. You will need an editor of your choice to begin with. I usually use vscode with Liveserver extension which helps to view developed application in the browser. First step is to create an html page which will display the todo list. Create …
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WebKit is a HTML web browser rendering engine which is used by Safari and Chrome browsers.It supports custom css properties which can be prefixed with -webkit- For example -webkit-font-size will be replaced by the standard font-size. Below is the list of various other browsers and rendering engines, css-prefix used by them: Browser Engine CSS Prefix …
What is WebKit? How is it used by browsers and CSS? Read More »
When I do npm install on mac pro, I get below error: Now if I run below code to install xcode cli, I get below error To resolve this issue, I followed below steps:
To align items from right to left in Arabic language using use dir=”RTL” This is first item This is second item This is last item Left to Right alignment for a list of items in Arabic using dir=”LTR” This is first item This is second item This is last item
What is a Regular Expression? As per wikipedia, A regular expression (shortened as regex or regexp; also referred to as rational expression) is a sequence of characters that specifies a search pattern. Create an index.html file where you can add all the form input fields as below. Add name property for the fields which will be accessed in the validation.js to perform regex validations. index.html validation.js …