A test environment in Jest is a setup and teardown code that runs before and after your test suite.
There are several test environments in Jest:
jsdom- a headless implementation of the Document Object Model (DOM) that runs on Node.js
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A test environment in Jest is a setup and teardown code that runs before and after your test suite.
There are several test environments in Jest:
jsdom - a headless implementation of the Document Object Model (DOM) that runs on Node.js