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Learn how to use more advanced React concepts and features, become proficient in JSX, and confidently test your applications.
You are building a form using both Formik and Yup libraries, where one of the inputs is an email. Before the form gets submitted to the server, you would like to set up some client validation with Yup to make sure the field has an email that is valid...
What are some of the features of component containment? Select all that apply. A component that uses the children prop to pass children elements directly as their content. A component that acts as a generic box. A special case of other components....
Why is automated testing important? Select all that apply. It reduces human error. It offers a faster feedback cycle, bringing faster validation and helping the development team to detect problems or bugs early. It saves time to development teams....
What’s the correct call to fire an onChange event on an input with react-testing-library’s fireEvent API? fireEvent.change(input, { target: { value: 'myValue' } }); fireEvent.change(input, { value: 'myValue' }); fireEvent.onChange(input, {...
When dealing with cross-cutting data in your React applications, what are some of the problems of using a custom hook to encapsulate that logic? Select all that apply. That it turns a stateless component into a stateful one. The fact that you would...
Considering the MousePosition component receives a prop called render, which is a function, what are valid options of JSX returned from the component? return render(<div>{mousePosition}</div>); return ( <div> render({mousePosition}) ...
