An article about the error 'cannot read property split of undefined' and various techniques to prevent it.

A breakdown of the trade-offs and differences between these two different methods of making network requests in JavaScript.

A guide on some of the best practices for frontend unit testing, including covering libraries like Jest with various code examples.

A tutorial on how to get started with IndexedDB and whether you should use it, with an example code walkthrough.

How to effectively log info and error messages within a React application, and the best practices for doing this.

The complete guide on JavaScript Syntax Errors, how they occur, and techniques and tools available to prevent them.

A guide on how to prevent the error "cannot read property '0' of undefined", covering techniques such as try, catch, using const over let, amongst many other techniques to prevent this error.

A guide on the root cause of 'cannot read map of undefined' as well as techniques and tools to prevent this error.

A how-to guide on how to set up visual regression testing in a web application using Jest and Cypress.