Meticulous, a Y Combinator startup, has closed a $4 million Seed Round to build the first automated front-end testing software for developers.
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.
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.
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.
Set up in minutes and generate tests to cover your whole application.