JavaScript Console Input Output Question and Solutions 💡What is the output of the below program? 💡 What is the output of the below program? Explanation – Because, We have a return statement inside inner function Two, not from the Main function, hello, means the main function hello is not returning anything.To correct this we need […]
Read More →React Interview Questions & Answers 💡 What is the difference between PureComponent and component? React.PureComponent is similar to React.Component. The difference between them is that React.Component doesn’t implement, but React.PureComponent implements it with a shallow prop and state comparison. PureComponent will do a shallow comparison on both props and state when they changed while Component […]
Read More →Top React Routing Questions & Answers This Article contains Question of React Router V5 and V6 React Router v6https://reactrouter.com/docs/en/v6/getting-started/overview 💡 What are route matching components? Switch and Route are the two route matching components. When a <Switch> is rendered, it searches through its children <Route> elements to find one whose path matches the current URL. […]
Read More →Top React JS Interview Questions and Answers 💡 What are DOM or real DOM? DOM stands for “Document Object Model”. It represents the entire UI of the web application as a tree data structure. In simple terms, it is a structural representation of the web application’s HTML parts & elements. 💡 Why Real DOM is […]
Read More →React JS Interview Questions & Answers ✔ What is NPX? The npx stands for Node Package Execute and is included with npm. If you install npm above version 5.2.0, npx will be installed as well. It’s a npm package runner that allows you to run any package from the npm registry without having to install […]
Read More →Cyber Security Fundamental Questions & Answers What is a brute force attack? A brute force attack, or exhaustive search, is a cryptographic hack that uses trial-and-error to guess possible combinations for passwords used for logins, encryption keys, or hidden web pages. What is password spraying? Password spraying is a type of brute force attack. In […]
Read More →Application & Web Security Interview Questions ✔ What is the meaning of 256-bit encryption? To transmit electronic documents or data over the internet, we use encryption algorithms and when encryption uses a key of 256-bit length, that is called 246-bit encryption. ✔ What is the Cipher suite? Cipher Suite is a set of algorithms that […]
Read More →Angular Interview Questions & Answers 💡 What is ng-template in Angular? ng-template is a template element that is used with structural directives like *ngIf, *ngFor, [ngSwitch], and custom directives that we create. So what happens here, Actually Angular converts the above structural directive to the below ng-template code: 💡 How can we manually use *ngIf […]
Read More →Angular Interview Questions & Answers 💡 What is property binding and attribute binding? ✔ Property binding in Angular helps you set values for properties of HTML elements or directives.In this example, src is the name of the element property. ✔ Attribute binding in Angular helps you set values for attributes directly. With attribute binding, you […]
Read More →Top 30 JavaScript Interview Questions ✋ What are the features of ES6? Classes Modules Default Parameters > function(height = 50, color = ‘red’) { } Template Literals > Your name is ${first} ${last}. Multi-line Strings >By using backticks. Destructuring Assignment Arrow Functions Promises > ES6 introduced Promises, is a First class representation of a value […]
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