Use ‘Promises’ | Async/Await | in place of JavaScript Callbacks.

We should use Promises which allows us to access asynchronous method and return values to synchronous methods. and Async/Await is the extension of promises.

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Everything you need to know about Angular framework/TypeScript.

We are here to..

• Understand what `Synchronous` and `Asynchronous`.
• Understand `Callback` — with an Example.
• Understand `Promises` — with an Example.
• Understand `Async/Await` — with an Example.
• * This article covers very basics of above topics. You’ll easily understand at the end about the concept and able to implement it.

Synchronous

When we execute a task synchronously, JE wait for that task to finish before moving on to the next line of code.
(JE: JavaScript Engine.)

Asynchronous