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in this video iamp;#39;ll show you what javascript promises are why we need them how to use the special then and catch methods and then how to convert the same code to using the much need to async and await keywords my name is chris roberts when dealing with simple types in javascript such as strings and numbers our code executes sequentially we can assign a string a number and then combine the two values together straight away everything is nice and simple however when writing real world code we often make calls to databases open files and speak to remote apis over the internet now longer running tasks like this will usually not return the results straight away they will rather return a promise now i promise is a special type of object in javascript that represents the eventual completion or failure of an asynchronous operation and its resulting value if this sounds a little bit hard to understand maybe we can imagine it as a real world scenario imagine you are at a restaurant having
