what are Promises in JavaScript and how do they simplify asynchronous code compared to callbacks?

In Stock

Size Guide

$34.99 $29.99

Shipping and Returns Policy

Dec 3, 2013 ... log because alert can actually change the result of your code if your code involves asynchronous logic. ... informational text, however ... Information sessions and tours (virtual); Open Houses (virtual); Departmental-specific programming. Don't see an event that works for you? Additional events ... Apr 10, 2024 ... Async is about promises (similar to JavaScript) and is an abstraction from thread management of any kind. Instead of coding the thread ... Jan 2, 2025 ... Moreover, Playwright supports various programming languages such as Node.js, Python, Java, and .NET. You can write the code that opens websites ... A skilled programmer who loves programming and IT issues. Like to work in web development field, especially Web Back-end development. Developers can run Javascript code in AWS Lambda by using NodeJS environment. ... Logging & Debugging. Use the console to log errors, debugging or informational ... Nov 19, 2019 ... It's very easy to drown in the depth of information on C#. On the other hand Javascript is a functional, weak typed programming language. An IT degree can prepare you for a career in cybersecurity, programming, and more. Discover information technology degree and certificate programs at Purdue ... Jun 19, 2023 ... Errors in JavaScript are objects shown whenever a programming error occurs. These objects contain ample information about the type of the ... ... async/await in JavaScript and hardly anyone would call JavaScript "complex". ... All good and informative responses that provide actionable feedback to ...
  • Next Day Delivery by USPS Find out more

    Order by 9pm (excludes Public holidays)

    $11.99

  • Express Delivery - 48 Hours Find out more

    Order by 9pm (excludes Public holidays)

    $9.99

  • Standard Delivery $6.99 Find out more

    Delivered within 3 - 7 days (excludes Public holidays).

  • Store Delivery $6.99 Find out more

    Delivered to your chosen store within 3-7 days

    Spend over $400 (excluding delivery charge) to get a $20 voucher to spend in-store
  • International Delivery Find out more

    International Delivery is available for this product. The cost and delivery time depend on the country.

You can now return your online order in a few easy steps. Select your preferred tracked returns service. We have print at home, paperless and collection options available.

You have 28 days to return your order from the date it’s delivered. Exclusions apply.

View our full Returns and Exchanges information.

Our extended Christmas returns policy runs from 28th October until 5th January 2025, all items purchased online during this time can be returned for a full refund.

No reviews yet. Only logged in customers who have purchased this product may leave a review.