Vaibhav

@il3ven

Programmer

Joined June 2021

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I explore the world of technology and share my findings here.

Find me at https://twitter.com/il3ven

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Vaibhav's blogs

Vaibhav's Blogil3ven.hashnode.dev4 posts

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VVaibhavil3ven.hashnode.devJan 25, 2022 · 3 min read

Your test cases should fail

Writing tests are not enough. If the tests don't fail when a bug is introduced then what's the point of writing tests. Your test should fail when the application doesn't meet the requirements. In this article, we look at an example, then improve its ...

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VVaibhavil3ven.hashnode.devJul 23, 2021 · 4 min read

Easily implement Infinite Scrolling using Intersection Observer in vanilla JavaScript

What is infinite scrolling? It is when more items keep loading as we scroll. Below is a GIF for visual representation. View this GIF in action Difficult way to do it (using getBoundingClientRect) Here we are discussing the difficult way in brief. It...

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VVaibhavil3ven.hashnode.devJul 22, 2021 · 6 min read

Pythagorean triplet in an array - Interview Question

In the problem of Pythagorean triplet we are given an array of numbers. array = [1, 2, 3, 4, 5] We have to return true if there exists a triplet of (a, b, c) such that a^2^ + b^2^ = c^2^. For example, in the above array the triplet (3, 4, 5) satisfi...

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VVaibhavil3ven.hashnode.devJun 12, 2021 · 2 min read

Common Error: Accidentally Mutating State in React

In React, the state is immutable. In simple terms it means that you should not modify it directly. Instead a new object should be created to set the state using setState. Here are two examples. Modifying the state directly - Not Acceptable onChange(e...

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Vaibhav

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Available for

Vaibhav's blogs

Recently published

Your test cases should fail

Easily implement Infinite Scrolling using Intersection Observer in vanilla JavaScript

Pythagorean triplet in an array - Interview Question

Common Error: Accidentally Mutating State in React

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Vaibhav

About

Available for

Vaibhav's blogs

Recently published

Your test cases should fail

Easily implement Infinite Scrolling using Intersection Observer in vanilla JavaScript

Pythagorean triplet in an array - Interview Question

Common Error: Accidentally Mutating State in React