Jest is like a superhero for testing your code. Imagine you have a toy, and you want to make sure it works perfectly every time you play with it. Jest helps you check if every part of your toy is working just right, like making sure the wheels spin or the lights blink. It does this by running special tests on your toy, so you know everything is in tip-top shape.
Think of Jest as a magic magnifying glass that looks at your code. It can find tiny mistakes or problems that you might not see with your own eyes. When you write code, you want it to work correctly, like building a tower with blocks that doesn’t fall over. Jest helps you make sure each block is in the right place, so your tower stands tall and strong.
Jest is also like a teacher for your code. It gives you a report card showing how well your code is doing. If there’s a problem, Jest tells you exactly where to look, just like a teacher might help you find the right answer to a tricky question. This way, you can fix any issues and make your code even better!