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Latest

Axios vs Fetch | Which is Best for Beginners?
Axios vs Fetch | Which is Best for Beginners?

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

Frontend Unit Testing | Best Practices & Tutorial
Frontend Unit Testing | Best Practices & Tutorial

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

IndexedDB | Guide to Getting Started, Tutorial, & Best Practices
IndexedDB | Guide to Getting Started, Tutorial, & Best Practices

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

Logging in React | In-Depth Guide & Tutorial
Logging in React | In-Depth Guide & Tutorial

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

JavaScript Syntax Errors | How to Prevent Them, Tutorial
JavaScript Syntax Errors | How to Prevent Them, Tutorial

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

How to Prevent the Error: Cannot Read Property '0' of Undefined
How to Prevent the Error: Cannot Read Property '0' of Undefined

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.

How to Prevent the TypeError: Cannot Read Property Map of Undefined
How to Prevent the TypeError: Cannot Read Property Map of Undefined

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

How to Set up Visual Regression Tests
How to Set up Visual Regression Tests

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

How to use Jest spyOn with React.js and Fetch
How to use Jest spyOn with React.js and Fetch

Follow this step-by-step guide on Jest's SpyOn method, with a practical example using React and Fetch. This post also includes a comparison to mocks.

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