21 May 2019

What is Mean Stack? The term MEAN STACK denotes a collection of java script based technologies which are used to develop web pages and web applications. Mean is an abbreviation for Mongo DB, Express JS, Angular JS and Node.js. Existing server to client database, MEAN is a full stack java script. Mean is a combination of “Mongo DB Express.js Angular JS Node Js” .That’s why it is called...

04 Feb 2019

Interview Question for Node JS
1) What is Node.js? Node.js is Server-side scripting which is used to build scalable programs. It is a web application framework built on Google Chrome's JavaScript Engine. It runs within the Node.js runtime on Mac OS, Windows, and Linux with no changes. This runtime facilitates you to execute a JavaScript code on any machine outside a browser. 2) Is Node.js free to use? Yes. It...

02 Feb 2019

best training in javascript on coimbatore
1) What is JavaScript? JavaScript is a scripting language. It is different from Java language. It is object-based, lightweight, cross-platform translated language. It is widely used for client-side validation. The JavaScript Translator (embedded in the browser) is responsible for translating the JavaScript code for the web browser. 2) List some features of JavaScript. Some of th...

02 Feb 2019

Angular JS interview Question
1.What are the basic steps to unit test an AngularJS filter? Inject the module that contains the filter. Provide any mocks that the filter relies on. Get an instance of the filter using $filter('yourFilterName'). Assert your expectations. Dependency injection is a powerful software design pattern that Angular employs to compose responsibilities through an intrinsic inter...

01 Feb 2019

React JS interview Question
1.  Differentiate between Real DOM and Virtual DOM. Real DOM Virtual  DOM 1. It updates slow. 1. It updates faster. 2. Can directly update HTML. 2. Can’t directly update HTML. 3. Creates a new DOM if element updates. 3. Updates the JSX if element updates. 4. DOM manipulation is very expensive. 4. DOM manipulation is very easy. 5. Too much of memory ...