what is promise chaining?
JavaScript promise chaining pattern that chains promises to execute asynchronous operations in sequence.
The instance method of the Promise object such as then(), catch(), or finally() returns a separate promise object. Therefore, you can call the promise’s instance method on the return Promise.
Codesandbox link for Promise chaining -
https://codesandbox.io/s/why-promise-and-promise-chaining-ypp2q?file=/src/index.js:331-521
What is Promise? - visit here
https://www.youtube.com/watch?v=lHIsnx9WM6Y
what is callback? - Visit here
https://www.youtube.com/watch?v=C6M2-4_f02A
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Title: why promise | what is promise chaining | create promise in javascript | javascript important concept
Video: why promise | what is promise chaining | create promise in javascript | javascript important concept
