Techumber

Custom React Dropdown component

23 January, 2022. 3 min read

As simple dropdown menu input. Closed State Open State Dropdown.tsx Render input box and list items. Filter by searching for a string…

Javascript ES6 Interview Questions

06 December, 2021. 1 min read

const vs Object.freeze() Const creates immutable binding for variable. But This won't throw any error. To Free the whole Object we would use…

Javascript ES6 Proxy

02 December, 2021. 2 min read

In Server side proxy are a interface instead of calling the service directly we would have proxy server where It would forward the request…

JavaScript Design Patterns Strategy

08 June, 2021. 2 min read

Strategy Pattern is very useful when we want to encapsulate a group of closely related Algorithms. Let's take a example. Lets say you are…

Rollup in 2020

24 July, 2020. 3 min read

Overview Rollup is a module bundler. It compiles smaller pieces of Javascript into a single Javascript file. Besides compiling code it will…

Rollup React Library

24 July, 2020. 6 min read

Intro Rollup is a module bundler to compile the Javascript code. In the previous post explained rollup basics. In this post let's see how we…

Javscript: What's New in 2019

11 May, 2019. 2 min read

New # private fields Now If you try New inheritance super() New string.matchAll New Big int New Array.flatMat() New Object.fromEntries…

Javascript Simple Algorithms

06 May, 2019. 2 min read

String spread split Longest word in a string Is Palindrome Substract two Arrays Factorial tail call Remove duplicate Title case a string…