Promises are a central mechanism for handling ... (I’m not going to muddy the waters by showing an old-fashioned JavaScript function-with-argument-callback. Take my word for it, that gets ...

However, JavaScript developers had been implementing ... and using it in a new file in a different directory. Promises require the function be written such that it returns a Promise object ...

Its purpose is to let developers test if a JavaScript object is a "Promise," with the function returning a boolean result of yes or no when used in production. Despite being just two lines of code ...

This JavaScript thing might just catch on. The world's most popular programming language is starting to look like a real programming language, with classes, modules, promises and more. There's even a ...