JavaScript Promisify What is Promisification? Promisification represents transformation. It’s the conversion of a callback-accepting function into a promise-returning function. What are Callbacks? A JavaScript callback is a function that is supposed to run after another function’s completion. These are the functions that are passed to another function as arguments that are invoked inside that main function […]

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CSS Display Property πŸ‘‰ Display property defines how an element will render into a page. Let’s first see all possible values of the display property. Reference: https://developer.mozilla.org/en-US/docs/Web/CSS/display πŸ’‘In this article, we will see all the details of block, inline, and inline-block values. block property display: block; Line break – block creates line break before and […]

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Trapping Rain Water Leetcode This question is taken by LeetCode. You can find question detail by the below link. Let’s write an optimized solution to this problem. https://leetcode.com/problems/trapping-rain-water/ Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it can trap after raining. Example 1: Input: height = […]

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Rx JS Top Operators with examples Let’s start operators with definition and examples: βœ‹ from operator Turn an array, promise, or iterable into an observable. πŸ’‘ This operator can be used to convert a promise to an observable! πŸ’‘ For arrays and iterables, all contained values will be emitted as a sequence! πŸ’‘ This operator […]

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HR Interview Questions Here we will see sample answers of most asked question on HR Interview round. Just read these answers and try to yourself. You can use below answers for you to making some changes as per your skills, education and experience. Tell me about yourself? Sure Sir, My Name is XXX. Currently I […]

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Angular Interview Question & Answers What is difference between Angular JS and Angular? Angular JSAngular JS is open-source JavaScript frameworks, developed by Google in 2009 & version 1.0 was released in 2012.Angular JS is JavaScript based Framework. It use HTML as a template language. It extends HTML elements by adding tags. attributes and expressions.Architecture of Angular JS is based on Model-View-Controller (MVC) […]

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