<ul><li>A promise chain is formed when multiple promise handler functions (.then() or .catch()) are appended to handle results and errors.</li><li>In a promise chain, each handler function receives the result from the previous function, forming a seamless chain of operations.</li><li>When the promise is not chained properly by prefixing the promise every time before each .then() handler, it results in independent promise handling and can lead to unexpected outcomes.</li><li>Understanding how to correctly chain promises is crucial in JavaScript to ensure proper flow of asynchronous operations and avoid common mistakes developers make.</li></ul>

Tidbit 04: JavaScript Promise Chain vs No-Chain

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