I'm a Software Developer with 2 years of experience specializing in Web Development, who loves to code and build projects. Currently working with ReactJS, JS, Typescript, TailwindCSS.
Problem Statement This question was asked to me for a Senior Frontend Engineer role for a leading Indian Tech Startup. Let’s say we’ve a function like getUsers which makes an API call and returns us a promise like following. The API call could be mad...
What is Currying? It’s an application of a closure. It’s a process in functional programming, in which we transform a function with multiple arguments into a sequence of nesting functions that take one argument at a time. So fn(a,b,c) will be tran...
Problem Statement Let’s go to lodash’s documentation for debounce and try to implement a polyfill for that. We’ll be building this in 3 steps. Write polyfill for a debounce function, which creates a debounced function that delays invoking func until...
While designing web applications, we need to optimize for certain scenarios, where we don't want to call a function repeatedly multiple times. An example of this could be, a callback function that is executed on window resize or a scroll event. An...
We may encounter some scenarios where we have to pause the execution of a function for some fixed amount of time. Many programming languages already have a built-in sleep method available.To halt a program for 2 seconds, we've got the following imple...
pipe() and compose() in Javascript Pipe and Compose are Higer Order Functions. These are ways of chaining multiple functions together to create a new function. It's an efficient way of combining and packaging multiple small solutions to solve a bigg...
Question: We've the following function greet, we need to find out how many times this function has been called. function greet(){ console.log("Hello World!"); } Approach-1 Using a global variable to maintain a count of the number of times this fun...
Overview and History Initially CSS lacked support for native variables, which led developers turn to CSS Preprocessors like SAAS which solved this problem through the use of preprocessor variables. CSS Variables are used just like any other variable...
This blog is a part of series where I'll be writing polyfills for different inbuilt Javascript methods.
