Felix Gerschau

Web developer. Writes about the things he learns and he is interested in. Lately, this includes React, PWAs, and frontend performance.

More articles from Felix Gerschau

React refs are a useful and powerful tool that we can use to get even more control over the elements in our application.

Feb 1, 2021, 4 min read

All about React's createRef method

Allocating memory is the process of reserving space in memory, while releasing memory frees up space, ready to be used for another purpose.

Jan 19, 2021, 6 min read

JavaScript's Memory Management Explained

JavaScript Event Loop is responsible for executing the code, collecting and processing events, and executing queued sub-tasks.

Dec 25, 2020, 6 min read

JavaScript Event Loop And Call Stack Explained

The React onClick event handler enables you to call a function and trigger an action when a user clicks an element, such as a button.

Dec 23, 2020, 3 min read

React’s onClick Event Handler Explained

Learn how to make your React components reusable by using props. Props are a powerful feature that enables the component-based approach.

Dec 14, 2020, 3 min read

How to Use Props to Pass Data to Child Components in React.js

A quick solution that you can use to fix "Heap Out Of Memory Error" in JavaScript. We lay out the causes and how to prevent them.

Nov 30, 2020, 3 min read

JavaScript Heap Out Of Memory Error

How to accurately measure the performance of your JavaScript application using the browser's Performance APIs (now, mark and measure).

Sep 25, 2020, 5 min read

How to Measure Performance in JavaScript Applications